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  • ►- Electron in the atom are held in the atom due to
  • Question : Electron in the atom are held in the atom due to

    (A). coulombs force

    (B). nuclear force

    (C). atomic force

    (D). coulombs and nuclear force

  • ►- In the formula of the angular momentum L = rxp (p) denotes the
  • Question : In the formula of the angular momentum L xp (p) denotes the

    (A). displacement

    (B). power

    (C). momentum

    (D). speed

  • ►- The first linear equation of motion is represented as
  • Question : The first linear equation of motion is represented as

    (A). Vi f + at

    (B). Vf i-at

    (C). Vf i + at

    (D). Vf i + a

  • ►- If the turns ratio of transformer is 10 it means that
  • Question : If the turns ratio of transformer is 10 it means that

    (A). Is 0 Ip

    (B). Ip 0 Is

    (C). Ns 0 Np

    (D). IsIp and IpIs

  • ►- The gate whose output is 0 only when the inputs are different is called
  • Question : The gate whose output is 0 only when the inputs are different is called

    (A). XOR

    (B). XNOR

    (C). NOR

    (D). NAND

  • ►- In 1909 Millikan devised the technique for measurement of
  • Question : In 1909 Millikan devised the technique for measurement of

    (A). charge on electron

    (B). charge on cathode

    (C). charge on neutron

    (D). charge on proton

  • ►- At low temperature a body emits radiation of
  • Question : At low temperature a body emits radiation of

    (A). shorter wave length

    (B). high frequencies

    (C). longer wavelength

    (D). low frequencies

  • ►- In a PNP transistor the n-region as compared to the p-region is
  • Question : In a PNP transistor the n-region as compared to the p-region is

    (A). smaller

    (B). larger

    (C). same

    (D). negligible

  • ►- The change in kinetic energy is measured as the difference of
  • Question : The change in kinetic energy is measured as the difference of

    (A). 1/2(mv)�

    (B). (mv)�

    (C). 1/2(mv)

    (D). 1/2(m)�

  • ►- Changing current in a coil produces emf in the same coil is known as
  • Question : Changing current in a coil produces emf in the same coil is known as

    (A). mutual induction

    (B). self induction

    (C). induced emf

    (D). emf

  • ►- According to the system international the length of the substance is measured in
  • Question : According to the system international the length of the substance is measured in

    (A). moles

    (B). seconds

    (C). meters

    (D). kelvin

  • ►- Zero digit is the only digit that
  • Question : Zero digit is the only digit that

    (A). maybe significant

    (B). may not be significant

    (C). is significant

    (D). both maybe and may not be significant

  • ►- At low temperature a body emits radiation of
  • Question : At low temperature a body emits radiation of

    (A). shorter wave length

    (B). high frequencies

    (C). longer wavelength

    (D). low frequencies

  • ►- In 1909 Millikan devised the technique for measurement of
  • Question : In 1909 Millikan devised the technique for measurement of

    (A). charge on electron

    (B). charge on cathode

    (C). charge on neutron

    (D). charge on proton

  • ►- If the turns ratio of transformer is 10 it means that
  • Question : If the turns ratio of transformer is 10 it means that

    (A). Is 0 Ip

    (B). Ip 0 Is

    (C). Ns 0 Np

    (D). IsIp and IpIs

  • ►- In the formula of the angular momentum L = rxp (p) denotes the
  • Question : In the formula of the angular momentum L xp (p) denotes the

    (A). displacement

    (B). power

    (C). momentum

    (D). speed

  • ►- According to the system international the length of the substance is measured in
  • Question : According to the system international the length of the substance is measured in

    (A). moles

    (B). seconds

    (C). meters

    (D). kelvin

  • ►- The first linear equation of motion is represented as
  • Question : The first linear equation of motion is represented as

    (A). Vi f + at

    (B). Vf i-at

    (C). Vf i + at

    (D). Vf i + a

  • ►- In a PNP transistor the n-region as compared to the p-region is
  • Question : In a PNP transistor the n-region as compared to the p-region is

    (A). smaller

    (B). larger

    (C). same

    (D). negligible

  • ►- Changing current in a coil produces emf in the same coil is known as
  • Question : Changing current in a coil produces emf in the same coil is known as

    (A). mutual induction

    (B). self induction

    (C). induced emf

    (D). emf

  • ►- The change in kinetic energy is measured as the difference of
  • Question : The change in kinetic energy is measured as the difference of

    (A). 1/2(mv)�

    (B). (mv)�

    (C). 1/2(mv)

    (D). 1/2(m)�

  • ►- The gate whose output is 0 only when the inputs are different is called
  • Question : The gate whose output is 0 only when the inputs are different is called

    (A). XOR

    (B). XNOR

    (C). NOR

    (D). NAND

  • ►- Zero digit is the only digit that
  • Question : Zero digit is the only digit that

    (A). maybe significant

    (B). may not be significant

    (C). is significant

    (D). both maybe and may not be significant

  • ►- Electron in the atom are held in the atom due to
  • Question : Electron in the atom are held in the atom due to

    (A). coulombs force

    (B). nuclear force

    (C). atomic force

    (D). coulombs and nuclear force

  • ►- If the number 43.75 is rounded off to three digits the result will be
  • Question : If the number 43.75 is rounded off to three digits the result will be

    (A). 43.8

    (B). 43.7

    (C). 43.6

    (D). 43.5

  • ►- The streamlines flow of the water is also known as
  • Question : The streamlines flow of the water is also known as

    (A). laminar flow

    (B). turbulent flow

    (C). fluid flow

    (D). turbulent fluid flow

  • ►- In a half rectification the diode conducts during
  • Question : In a half rectification the diode conducts during

    (A). both half cycles

    (B). positive half

    (C). negative half

    (D). one half input

  • ►- The common type of rectification is
  • Question : The common type of rectification is

    (A). half wave rectification

    (B). full wave rectification

    (C). quarter wave rectification

    (D). both half wave and full wave rectification

  • ►- Range of the projectile will be maximum when the angle of the projectile is
  • Question : Range of the projectile will be maximum when the angle of the projectile is

    (A). 30

    (B). 45

    (C). 60

    (D). 90

  • ►- Elastic collision is the collision in which kinetic energy is
  • Question : Elastic collision is the collision in which kinetic energy is

    (A). conserved

    (B). not conserved

    (C). increases

    (D). decreases

  • ►- The direction of the vector is given by the angle formula of
  • Question : The direction of the vector is given by the angle formula of

    (A). arccos(y/x)

    (B). arccos(x/y)

    (C). arctan(y/x)

    (D). arctan(x/y)

  • ►- According to the system international unit the unit of magnetic flux is
  • Question : According to the system international unit the unit of magnetic flux is

    (A). tesla

    (B). NmA-1

    (C). weber

    (D). N/C

  • ►- If the motor gets over loaded then its
  • Question : If the motor gets over loaded then its

    (A). slows down

    (B). back emf decreases

    (C). back emf increases

    (D). back emf decreases and slows down

  • ►- Michael faraday observed that emf was set up in a conductor in the year of
  • Question : Michael faraday observed that emf was set up in a conductor in the year of

    (A). 1831

    (B). 1832

    (C). 1840

    (D). 1842

  • ►- The heat produced by the current in the wire during t time is determined by
  • Question : The heat produced by the current in the wire during t time is determined by

    (A). H �R

    (B). H Rt

    (C). H �t

    (D). H �Rt

  • ►- The process of vector addition by rectangular components consists of
  • Question : The process of vector addition by rectangular components consists of

    (A). 4steps

    (B). 5steps

    (C). 6steps

    (D). 7steps

  • ►- A geo-stationary satellite orbits the earth once per day so that it seems to be
  • Question : A geo-stationary satellite orbits the earth once per day so that it seems to be

    (A). in motion

    (B). stationary

    (C). large

    (D). small

  • ►- Every action has its equal and opposite reaction is newton's
  • Question : Every action has its equal and opposite reaction is newton's

    (A). first law

    (B). second law

    (C). third law

    (D). fourth law

  • ►- The system international for describing units was built up from
  • Question : The system international for describing units was built up from

    (A). 2 kind of units

    (B). 3 kind of units

    (C). 4 kind of units

    (D). 5 kind of units

  • ►- The centripetal force has the same direction as the
  • Question : The centripetal force has the same direction as the

    (A). centripetal velocity

    (B). centripetal acceleration

    (C). angular acceleration

    (D). angular speed

  • ►- When the charge of 90C passes through wire in 1 hour 15 min then its current will be
  • Question : When the charge of 90C passes through wire in 1 hour 15 min then its current will be

    (A). 10mA

    (B). 20mA

    (C). 30mA

    (D). 40mA

  • ►- The gravity created by some source is called
  • Question : The gravity created by some source is called

    (A). large gravity

    (B). artificial gravity

    (C). gravitational force

    (D). greater gravity

  • ►- The cross product of AxB with Sin angle 180 would produce results equal to
  • Question : The cross product of AxB with Sin angle 180 would produce results equal to

    (A). 0

    (B). A

    (C). AB

    (D). 1

  • ►- Artificial satellites are the objects that orbit around the earth due to
  • Question : Artificial satellites are the objects that orbit around the earth due to

    (A). earths mass

    (B). gravity

    (C). force

    (D). earths weight

  • ►- The centripetal force has the same direction as the
  • Question : The centripetal force has the same direction as the

    (A). centripetal velocity

    (B). centripetal acceleration

    (C). angular acceleration

    (D). angular speed

  • ►- The gravity created by some source is called
  • Question : The gravity created by some source is called

    (A). large gravity

    (B). artificial gravity

    (C). gravitational force

    (D). greater gravity

  • ►- When the charge of 90C passes through wire in 1 hour 15 min then its current will be
  • Question : When the charge of 90C passes through wire in 1 hour 15 min then its current will be

    (A). 10mA

    (B). 20mA

    (C). 30mA

    (D). 40mA

  • ►- The system international for describing units was built up from
  • Question : The system international for describing units was built up from

    (A). 2 kind of units

    (B). 3 kind of units

    (C). 4 kind of units

    (D). 5 kind of units

  • ►- The device named as a transistor has
  • Question : The device named as a transistor has

    (A). emitter and collector equally doped

    (B). emitter heavily doped

    (C). collector heavily doped

    (D). emitter and base equally doped

  • ►- The current voltage graph of the ohmic devices is a
  • Question : The current voltage graph of the ohmic devices is a

    (A). linear graph

    (B). non linear graph

    (C). parabolic graph

    (D). hyperbola graph

  • ►- Ampere unit according to the SI units is a
  • Question : Ampere unit according to the SI units is a

    (A). base unit

    (B). derived unit

    (C). international unit

    (D). both base unit and derived unit

  • ►- If the number to be neglected is greater than 5 the retained number is
  • Question : If the number to be neglected is greater than 5 the retained number is

    (A). increased

    (B). decreased

    (C). may increased

    (D). may decreased

  • ►- Photo diodes applications include the
  • Question : Photo diodes applications include the

    (A). logic circuits

    (B). automatic switching

    (C). networking

    (D). both logic circuits and automatic switching

  • ►- Rheostat can also be used as a
  • Question : Rheostat can also be used as a

    (A). variable resistor

    (B). potential divider

    (C). barometer

    (D). variable resistor as well as potential divider

  • ►- To assist the movement in water, the dolphins have
  • Question : To assist the movement in water, the dolphins have

    (A). laminared bodies

    (B). turbulent bodies

    (C). fat bodies

    (D). streamlined bodies

  • ►- If the number greater than 5 is to be neglected then the retained number is increased by
  • Question : If the number greater than 5 is to be neglected then the retained number is increased by

    (A). 1

    (B). 2

    (C). 3

    (D). 4

  • ►- In a circular motion the direction of motion
  • Question : In a circular motion the direction of motion

    (A). changes continuously

    (B). changes after time

    (C). never changes

    (D). remains constant

  • ►- Range of the projectile will be minimum when the angle of the projectile is
  • Question : Range of the projectile will be minimum when the angle of the projectile is

    (A). 0

    (B). 30

    (C). 60

    (D). 90

  • ►- If the density of the fluid is not constant it is said to be
  • Question : If the density of the fluid is not constant it is said to be

    (A). viscous

    (B). incompressible

    (C). compressible

    (D). both viscous and incompressible

  • ►- The time rate of change of velocity of the body is said to be
  • Question : The time rate of change of velocity of the body is said to be

    (A). displacement

    (B). distance

    (C). acceleration

    (D). velocity

  • ►- If the number greater than 5 is to be neglected then the retained number is increased by
  • Question : If the number greater than 5 is to be neglected then the retained number is increased by

    (A). 1

    (B). 2

    (C). 3

    (D). 4

  • ►- A charged particle will move through region getting undeflected if
  • Question : A charged particle will move through region getting undeflected if

    (A). v /E

    (B). v E

    (C). v /B

    (D). v + E

  • ►- The resistor which is known as heat sensitive resistor is
  • Question : The resistor which is known as heat sensitive resistor is

    (A). thermistor

    (B). rheostat

    (C). capacitor

    (D). resistor

  • ►- Devices that does not obey ohm's law are called
  • Question : Devices that does not obey ohm's law are called

    (A). ohmic devices

    (B). non ohmic devices

    (C). electric devices

    (D). resistive devices

  • ►- The body having mass 40 kg moving with the velocity of 3 m/s will have kinetic energy of
  • Question : The body having mass 40 kg moving with the velocity of 3 m/s will have kinetic energy of

    (A). 120

    (B). 150

    (C). 160

    (D). 180

  • ►- In the inkjet printer the net charges are diverted by deflection plates towards
  • Question : In the inkjet printer the net charges are diverted by deflection plates towards

    (A). paper

    (B). nozzle

    (C). gutter

    (D). ink supplier

  • ►- Current produces magnetic effect due to its
  • Question : Current produces magnetic effect due to its

    (A). mechanical energy

    (B). magnetic field

    (C). electrical field

    (D). chemical energy

  • ►- INTELSAT IV telecommunication satellite has a capacity of handling
  • Question : INTELSAT IV telecommunication satellite has a capacity of handling

    (A). 1 tv channels

    (B). 2 tv channels

    (C). 3 tv channels

    (D). 4 tv channels

  • ►- Force required to slide one layer from another measures the
  • Question : Force required to slide one layer from another measures the

    (A). viscosity

    (B). friction

    (C). gravity

    (D). surface tension

  • ►- At the pivot point the body with the mass m will have a torque by the
  • Question : At the pivot point the body with the mass m will have a torque by the

    (A). force

    (B). circle

    (C). central point

    (D). radius of the circle

  • ►- If fluid is incompressible and it is steady then its mass is
  • Question : If fluid is incompressible and it is steady then its mass is

    (A). increasing

    (B). decreasing

    (C). same

    (D). conserved

  • ►- Ideal standard for measuring base quantities mainly involves
  • Question : Ideal standard for measuring base quantities mainly involves

    (A). 2 characteristics

    (B). 3 characteristics

    (C). 4 characteristics

    (D). 5 characteristics

  • ►- Quantum effects are important only when observing
  • Question : Quantum effects are important only when observing

    (A). small objects

    (B). very large objects

    (C). atomic size objects

    (D). atomic spectra

  • ►- The moving charge experiences magnetic force because of
  • Question : The moving charge experiences magnetic force because of

    (A). magnetic flux

    (B). magnetic field

    (C). magnetic current

    (D). both magnetic flux and field

  • ►- The quantity that remains unchanged in a transformer is
  • Question : The quantity that remains unchanged in a transformer is

    (A). voltage

    (B). current

    (C). frequency

    (D). both voltage and current

  • ►- One of the physical quantities which is not a derived quantity
  • Question : One of the physical quantities which is not a derived quantity

    (A). velocity

    (B). acceleration

    (C). force

    (D). length

  • ►- A vector whose magnitude is zero has a
  • Question : A vector whose magnitude is zero has a

    (A). positive direction

    (B). arbitrary direction

    (C). negative direction

    (D). positive and arbitrary direction

  • ►- Time of flight of the body is given by the formula
  • Question : Time of flight of the body is given by the formula

    (A). t 2vi*sin/g)

    (B). t 2Vi + sin/g)

    (C). t 2Vi-sin/g)

    (D). t 2vi/g)

  • ►- Base units of physical quantities given by the system international are
  • Question : Base units of physical quantities given by the system international are

    (A). six

    (B). seven

    (C). eight

    (D). nine

  • ►- Acceleration produced in a body is the
  • Question : Acceleration produced in a body is the

    (A). scalar quantity

    (B). vector quantity

    (C). physical quantity

    (D). both scalar and vector quantity

  • ►- The torque of the couple is given by ILBxa in which a is a
  • Question : The torque of the couple is given by ILBxa in which a is a

    (A). momentum

    (B). moment arm

    (C). arm

    (D). moment of inertia

  • ►- If the electric field lines are parallel to the area then the electric flux will be
  • Question : If the electric field lines are parallel to the area then the electric flux will be

    (A). min

    (B). max

    (C). zero

    (D). one

  • ►- Transformer is the device that works on the principle of
  • Question : Transformer is the device that works on the principle of

    (A). self induction

    (B). Lenz's law

    (C). mutual induction

    (D). motional emf

  • ►- The practical application of the mutual induction is
  • Question : The practical application of the mutual induction is

    (A). transformer

    (B). DC generator

    (C). AC generator

    (D). capacitor

  • ►- The product of resistance of 1 ohm and the capacitance of 1 farad is equal to
  • Question : The product of resistance of 1 ohm and the capacitance of 1 farad is equal to

    (A). one minute

    (B). one sec

    (C). one volt

    (D). one joule

  • ►- If the work done is greater than 90 angle then the work will be
  • Question : If the work done is greater than 90 angle then the work will be

    (A). negative

    (B). positive

    (C). zero

    (D). minimum

  • ►- The ratio of the forward voltage and a forward current is known as
  • Question : The ratio of the forward voltage and a forward current is known as

    (A). steradian

    (B). PN junction

    (C). forward resistance

    (D). forward junction

  • ►- Gravitational force is the force that is always
  • Question : Gravitational force is the force that is always

    (A). repulsive

    (B). attractive

    (C). opposite

    (D). both repulsive and attractive

  • ►- Open loop gain of an amplifier can be represented by the formula
  • Question : Open loop gain of an amplifier can be represented by the formula
    (A). vo/vi
    (B). vo + vi
    (C). vo-vi
    (D). voxvi

  • ►- The typical rocket ejects the burnt gases at speeds of over
  • Question : The typical rocket ejects the burnt gases at speeds of over

    (A). 2000 m/s

    (B). 3000 m/s

    (C). 3500 m/s

    (D). 4000 m/s

  • ►- The minimum velocity to put the satellite into orbital motion is
  • Question : The minimum velocity to put the satellite into orbital motion is

    (A). 7.9 km/s

    (B). 8.9 km/s

    (C). 9 km/s

    (D). 9.8 km/s

  • ►- In the system international the luminous intensity is measured in
  • Question : In the system international the luminous intensity is measured in

    (A). moles

    (B). kilograms

    (C). meters

    (D). candelas

  • ►- The frictional effect between the layers of the flowing fluid is known as
  • Question : The frictional effect between the layers of the flowing fluid is known as

    (A). viscosity

    (B). friction

    (C). gravity

    (D). surface tension

  • ►- The law stated as flux is 1/Eo times the total charge is
  • Question : The law stated as flux is 1/Eo times the total charge is

    (A). ohms law

    (B). newton's law

    (C). gauss's law

    (D). coulombs law

  • ►- Magnetic field is set up in region surrounding the current carrying
  • Question : Magnetic field is set up in region surrounding the current carrying

    (A). rod

    (B). wire

    (C). blog

    (D). plate

  • ►- According to the system international the amount of the substance is measured in
  • Question : According to the system international the amount of the substance is measured in

    (A). moles

    (B). kilograms

    (C). meters

    (D). candelas

  • ►- Base quantities can be measured according to the
  • Question : Base quantities can be measured according to the

    (A). selected standards

    (B). local standards

    (C). global standards

    (D). any units

  • ►- In a spaceship the objects revolving around the earth appears to be
  • Question : In a spaceship the objects revolving around the earth appears to be

    (A). small

    (B). large

    (C). weightless

    (D). massive

  • ►- If the fluid has constant density then it is said to be
  • Question : If the fluid has constant density then it is said to be

    (A). thick

    (B). in-viscous

    (C). compressible

    (D). incompressible

  • ►- The heating effect produced by current is due to the
  • Question : The heating effect produced by current is due to the

    (A). collision of electrons

    (B). movement of electrons

    (C). resistance in electrons

    (D). lose of energy

  • ►- In the direction of Y-axis the projection of vector A is represented by the angle
  • Question : In the direction of Y-axis the projection of vector A is represented by the angle

    (A). Cos

    (B). Sin

    (C). Tan

    (D). both Cos and Sin

  • ►- The number of field lines passing at certain area are known as
  • Question : The number of field lines passing at certain area are known as

    (A). electric field

    (B). electric flux

    (C). electrostatics

    (D). electric field lines

  • ►- The change from initial position to the final position is called
  • Question : The change from initial position to the final position is called

    (A). displacement

    (B). distance

    (C). speed

    (D). velocity

  • ►- Filament bulbs are the best examples of the
  • Question : Filament bulbs are the best examples of the

    (A). non ohmic devices

    (B). resistive devices

    (C). ohmic devices

    (D). electric devices

  • ►- Ohmic devices are the devices that consequently
  • Question : Ohmic devices are the devices that consequently

    (A). obey ohms law

    (B). doesn't obey ohms law

    (C). violate ohms law

    (D). satisfy ohms law

  • ►- According to the system international the unit of torque is
  • Question : According to the system international the unit of torque is

    (A). newton meter

    (B). newton per meter

    (C). newton per meter square

    (D). per newton meter

  • ►- The system international unit of the conductivity of the material is
  • Question : The system international unit of the conductivity of the material is

    (A). ohm m

    (B). ohm

    (C). ohm-1m

    (D). ohm-1m-1

  • ►- Equation (E1-IR1-E2-IR2 = 0) is the statement of
  • Question : Equation (E1-IR1-E2-IR2 ) is the statement of

    (A). Kirchhoff's fourth rule

    (B). Kirchhoff's third rule

    (C). Kirchhoff's second rule

    (D). Kirchhoff's first rule

  • ►- In alternative current generator AC current reverses its direction
  • Question : In alternative current generator AC current reverses its direction

    (A). T times per second

    (B). f times per second

    (C). once/sec

    (D). per sec

  • ►- Zero error produced by the measuring instruments is called
  • Question : Zero error produced by the measuring instruments is called

    (A). frequent error

    (B). systematic error

    (C). random error

    (D). frequent or random error

  • ►- Electric charges under the action of electric forces is called
  • Question : Electric charges under the action of electric forces is called

    (A). electrostatic

    (B). electric flux

    (C). electric field

    (D). electric field lines

  • ►- The gravitational and electric forces are inversely proportional to the
  • Question : The gravitational and electric forces are inversely proportional to the

    (A). distance

    (B). square of distance

    (C). mass

    (D). square of mass

  • ►- The y-components of the vector are represented by the formula of
  • Question : The y-components of the vector are represented by the formula of

    (A). Ay + By

    (B). Ay-By

    (C). Ay + Bx

    (D). Ay-Bx

  • ►- Physical quantities having only magnitude are called
  • Question : Physical quantities having only magnitude are called

    (A). vector quantities

    (B). scalar quantities

    (C). mental quantities

    (D). both vector and scalar quantities

  • ►- According to the SI units, the mass of the substance is measured in
  • Question : According to the SI units, the mass of the substance is measured in

    (A). moles

    (B). kilograms

    (C). meters

    (D). candelas

  • ►- The flux will be minimum when the electric field lines to the area are
  • Question : The flux will be minimum when the electric field lines to the area are

    (A). parallel

    (B). perpendicular

    (C). at angle

    (D). at distance

  • ►- The unit vector in the direction of vector F = 6i + 5j is
  • Question : The unit vector in the direction of vector F = 6i + 5j is
    (A). 6i + 5j/7.81
    (B). 6i + 5j/6
    (C). 6i + 5j/5
    (D). 6i + 5j/61

  • ►- The net force acting on a droplet of water is equal to the
  • Question : The net force acting on a droplet of water is equal to the

    (A). weight-drag force

    (B). weight + drag force

    (C). weight*drag force

    (D). weight/drag force

  • ►- According to the theory of relativity mass of an object is
  • Question : According to the theory of relativity mass of an object is

    (A). depends on particles

    (B). speed of light

    (C). volume of object

    (D). area of object

  • ►- Ballmer series in the region of electromagnetic spectrum is in
  • Question : Ballmer series in the region of electromagnetic spectrum is in

    (A). infrared region

    (B). ultraviolet region

    (C). visible region

    (D). x-ray region

  • ►- Photo diode is used for the detection of
  • Question : Photo diode is used for the detection of

    (A). visible light

    (B). invisible light

    (C). no light

    (D). both visible and invisible light

  • ►- The value of the constant K in the coulomb's law has the value of
  • Question : The value of the constant K in the coulomb's law has the value of

    (A). 9 x 10^3

    (B). 9 x 10^5

    (C). 9 x 10^7

    (D). 9 x 10^9

  • ►- For gauss's law the point charges in closed surface must be distributed
  • Question : For gauss's law the point charges in closed surface must be distributed

    (A). arbitrarily

    (B). sequentially

    (C). rational

    (D). in line

  • ►- The definition and standards of physical quantities were established in
  • Question : The definition and standards of physical quantities were established in

    (A). 1910

    (B). 1920

    (C). 1950

    (D). 1960

  • ►- The chimney works best on the principle of
  • Question : The chimney works best on the principle of

    (A). equation of continuity

    (B). Bernoulli's equation

    (C). light equation

    (D). speed equation

  • ►- Alternative current generator is basically based upon
  • Question : Alternative current generator is basically based upon

    (A). amperes law

    (B). Lenz's law

    (C). faradays law

    (D). coulombs law

  • ►- In photocell cesium coated oxidized silver cathode emits electron for
  • Question : In photocell cesium coated oxidized silver cathode emits electron for

    (A). visible light

    (B). ultraviolet

    (C). infrared light

    (D). x-rays

  • ►- Hydrogen atom doesn't emit x-rays because
  • Question : Hydrogen atom doesn't emit x-rays because

    (A). energy levels are close

    (B). energy levels are far

    (C). it ha small mass

    (D). it has single electron

  • ►- Shark can detect the potential difference of its prey upto the sensitivity of
  • Question : Shark can detect the potential difference of its prey upto the sensitivity of

    (A). micro volt

    (B). mega volt

    (C). pico volt

    (D). nano volt

  • ►- The triangles are said to be isosceles if the angle between their arms are
  • Question : The triangles are said to be isosceles if the angle between their arms are

    (A). equal

    (B). opposite

    (C). 90

    (D). 0

  • ►- The zero digit between two significant figures is
  • Question : The zero digit between two significant figures is

    (A). significant

    (B). non significant

    (C). may not be significant

    (D). maybe significant

  • ►- The potential difference between ends of conductor maintained by the battery is
  • Question : The potential difference between ends of conductor maintained by the battery is

    (A). different

    (B). constant

    (C). zero

    (D). one

  • ►- For detecting the abnormal behavior of the brain the technique used is
  • Question : For detecting the abnormal behavior of the brain the technique used is

    (A). EEG

    (B). ECG

    (C). ENG

    (D). EFG

  • ►- Height of the projectile is given by the formula
  • Question : Height of the projectile is given by the formula

    (A). 2as f� - vi�

    (B). 2 f� - vi�

    (C). 2s f� - vi�

    (D). 2a f� - vi�

  • ►- Device that converts electrical energy into mechanical energy is
  • Question : Device that converts electrical energy into mechanical energy is

    (A). AC generator

    (B). DC generator

    (C). cell

    (D). DC motor

  • ►- Errors that occur during the measurement of the quantities are of
  • Question : Errors that occur during the measurement of the quantities are of

    (A). 2 types

    (B). 3 types

    (C). 4 types

    (D). 5 types

  • ►- Physical quantities that describe the laws of physics are divided into
  • Question : Physical quantities that describe the laws of physics are divided into

    (A). 2 types

    (B). 3 types

    (C). 4 types

    (D). 5 types

  • ►- Geo-stationary satellites are the useful examples of the
  • Question : Geo-stationary satellites are the useful examples of the

    (A). satellite motion

    (B). satellite motion

    (C). satellite gravity

    (D). satellites

  • ►- The wheel will have both rotational and translational kinetic energies when it
  • Question : The wheel will have both rotational and translational kinetic energies when it

    (A). stops

    (B). moves

    (C). rolls

    (D). jumps

  • ►- The energy of a body is of the form known as
  • Question : The energy of a body is of the form known as

    (A). kinetic energy

    (B). potential energy

    (C). physical energy

    (D). both kinetic and potential energy

  • ►- The printer that uses electric charges is called
  • Question : The printer that uses electric charges is called

    (A). inkjet printer

    (B). laser printer

    (C). deskjet printer

    (D). both inkjet and laser printer

  • ►- Bohr's atomic model is based upon
  • Question : Bohr's atomic model is based upon

    (A). Einstein's relativistic theory

    (B). classical theory

    (C). planks quantum theory

    (D). both classical and planks quantum theory

  • ►- If a vector gets multiplied by a negative number then its direction
  • Question : If a vector gets multiplied by a negative number then its direction

    (A). remain same

    (B). gets reversed

    (C). gets half

    (D). gets double

  • ►- Sunlight is directly converted into electrical energy by using
  • Question : Sunlight is directly converted into electrical energy by using

    (A). cells

    (B). solar cells

    (C). electric generator

    (D). electrical energy

  • ►- According to the Bernoulli's equation where the speed is high the pressure will be
  • Question : According to the Bernoulli's equation where the speed is high the pressure will be

    (A). high

    (B). low

    (C). min

    (D). max

  • ►- The turning effect produced by the object depends upon the object's
  • Question : The turning effect produced by the object depends upon the object's

    (A). radius

    (B). circumference

    (C). length

    (D). width

  • ►- The ability of capacitor to store the charge is measured as its
  • Question : The ability of capacitor to store the charge is measured as its

    (A). performance

    (B). resistance

    (C). capacitance

    (D). durability

  • ►- Candela unit according to the system international is a
  • Question : Candela unit according to the system international is a

    (A). base unit

    (B). derived unit

    (C). supplementary unit

    (D). international unit

  • ►- Newton's law of motions were stated by the scientist named as
  • Question : Newton's law of motions were stated by the scientist named as

    (A). Isaac newton

    (B). john newton

    (C). newton ken

    (D). Eric newton

  • ►- The color of the light emitted by LED depends on
  • Question : The color of the light emitted by LED depends on

    (A). its forward bias

    (B). its reverse bias

    (C). forward current

    (D). semiconductor material

  • ►- The voltage of the device having resistance 5 ohm and current 4ampere will be
  • Question : The voltage of the device having resistance 5 ohm and current 4ampere will be

    (A). 10V

    (B). 15V

    (C). 20V

    (D). 25V

  • ►- Torricelli's theorem is one of the applications of the
  • Question : Torricelli's theorem is one of the applications of the

    (A). equation of continuity

    (B). Bernoulli's equation

    (C). light equation

    (D). speed equation

  • ►- Inelastic collision is the collision in which kinetic energy is
  • Question : Inelastic collision is the collision in which kinetic energy is

    (A). conserved

    (B). not conserved

    (C). increases

    (D). decreases

  • ►- If the body is in rest or in uniform velocity it is said to be in
  • Question : If the body is in rest or in uniform velocity it is said to be in

    (A). rest

    (B). uniform motion

    (C). equilibrium

    (D). constant force

  • ►- Power of the machine when the work done is 30j in a time interval 5s will be
  • Question : Power of the machine when the work done is 30j in a time interval 5s will be

    (A). 120W

    (B). 125W

    (C). 145W

    (D). 150W

  • ►- This whole world is composed of small particles that are made up of
  • Question : This whole world is composed of small particles that are made up of

    (A). electrons

    (B). protons

    (C). cathode

    (D). electrons and protons

  • ►- The rate of flow of charge through cross sectional area is known as
  • Question : The rate of flow of charge through cross sectional area is known as

    (A). current

    (B). voltage

    (C). meter

    (D). acceleration

  • ►- Error that occurs due to equally affected measurements is called
  • Question : Error that occurs due to equally affected measurements is called

    (A). random error

    (B). systematic error

    (C). frequent error

    (D). precision

  • ►- From the equations of the distance one that is correct is
  • Question : From the equations of the distance one that is correct is

    (A). Vf i + 2as

    (B). Vf� i� + as

    (C). Vf� i� + 2a

    (D). Vf� i� + 2as

  • ►- The value of one electric volt is equivalent to the value of
  • Question : The value of one electric volt is equivalent to the value of

    (A). 1.8 x 10-19J

    (B). 1.9 x 10-19J

    (C). 1.6 x 10-19J

    (D). 2.1 x 10-19J

  • ►- The tidal pull of the moon can distort the continents pulling up and down upto
  • Question : The tidal pull of the moon can distort the continents pulling up and down upto

    (A). 25 cm

    (B). 30 cm

    (C). 35 cm

    (D). 40 cm

  • ►- The branch of science that deals with the natural phenomena is called
  • Question : The branch of science that deals with the natural phenomena is called

    (A). physics

    (B). mathematics

    (C). chemistry

    (D). English

  • ►- The electromotive force of a battery can be defined with the formula of
  • Question : The electromotive force of a battery can be defined with the formula of

    (A). E R

    (B). E R + I

    (C). E R + r

    (D). E R + Ir

  • ►- The first human satellite of the earth was the man named as
  • Question : The first human satellite of the earth was the man named as

    (A). Bruce McCandless

    (B). mark Bruce

    (C). ken Bruce

    (D). Bruce Hilton

  • ►- The scalar product of the two vectors is also known as
  • Question : The scalar product of the two vectors is also known as

    (A). vector product

    (B). dot product

    (C). point product

    (D). both vector and dot product

  • ►- Physical quantity that has magnitude and direction as well is known as
  • Question : Physical quantity that has magnitude and direction as well is known as

    (A). mass

    (B). time

    (C). velocity

    (D). temperature

  • ►- The whole world can be covered with
  • Question : The whole world can be covered with

    (A). 2 geo-stationary satellites

    (B). 3 geo-stationary satellites

    (C). 4 geo-stationary satellites

    (D). 5 geo-stationary satellites

  • ►- The electric instrument used to measure current in amperes is known as
  • Question : The electric instrument used to measure current in amperes is known as

    (A). ammeter

    (B). voltmeter

    (C). ohmmeter

    (D). avometer

  • ►- If a vector gets multiplied by a positive number then its direction
  • Question : If a vector gets multiplied by a positive number then its direction

    (A). remain same

    (B). reversed

    (C). gets half

    (D). gets double

  • ►- Repeated measurement having different values are the
  • Question : Repeated measurement having different values are the

    (A). random error

    (B). frequent error

    (C). systematic error

    (D). random and frequent error

  • ►- Work done by a body is said to be a quantity known as
  • Question : Work done by a body is said to be a quantity known as

    (A). scalar quantity

    (B). vector quantity

    (C). physical quantity

    (D). both scalar and vector

  • ►- The gravitational force at the center is given by the formula of
  • Question : The gravitational force at the center is given by the formula of

    (A). F Mm/r�

    (B). F Mm/r

    (C). F M/r�

    (D). F m/r�

  • ►- System international unit of work done is Newton meter which is known as
  • Question : System international unit of work done is Newton meter which is known as

    (A). joule

    (B). kelvin

    (C). ampere

    (D). candela

  • ►- When a body moves from one position to another the change is called
  • Question : When a body moves from one position to another the change is called

    (A). displacement

    (B). distance

    (C). acceleration

    (D). velocity

  • ►- The induced current can be increased by
  • Question : The induced current can be increased by

    (A). stronger field

    (B). moving loop faster

    (C). coil of less turns

    (D). moving loop faster and with stronger field

  • ►- Number of digits that are reasonably sure are called
  • Question : Number of digits that are reasonably sure are called

    (A). limitation of instruments

    (B). systematic error

    (C). frequent error

    (D). significant figures

  • ►- The graphical representation of vectors is directed line segment with
  • Question : The graphical representation of vectors is directed line segment with

    (A). direction

    (B). point

    (C). circle

    (D). arrowhead

  • ►- When no kinetic energy is lost the collision is said to be
  • Question : When no kinetic energy is lost the collision is said to be

    (A). inelastic

    (B). perfectly elastic

    (C). elastic

    (D). inelastic or perfectly elastic

  • ►- Change of current of one ampere/sec causes emf of 1 volt will be equal to
  • Question : Change of current of one ampere/sec causes emf of 1 volt will be equal to

    (A). 1 henry

    (B). 1 volt/m

    (C). 1 ampere

    (D). 1 joule

  • ►- The time rate of change of velocity of the body is represented as
  • Question : The time rate of change of velocity of the body is represented as

    (A). (v1 + v2)/t

    (B). (v1v2)/t

    (C). (v1-v2)/t

    (D). (v2-v1)/t

  • ►- The well known formula one racing car has a body with
  • Question : The well known formula one racing car has a body with

    (A). laminared design

    (B). turbulent design

    (C). flat design

    (D). streamlined design

  • ►- The diode characteristic curve is a plot between
  • Question : The diode characteristic curve is a plot between

    (A). current and time

    (B). voltage and time

    (C). voltage and current

    (D). current, voltage and time

  • ►- In a transistor the emitter current is
  • Question : In a transistor the emitter current is

    (A). slightly more than collector

    (B). slightly less than collector

    (C). equal to the collector

    (D). equal to base current

  • ►- In the reading 12.7 first two digits are accurate while third one is
  • Question : In the reading 12.7 first two digits are accurate while third one is

    (A). accurate

    (B). precise

    (C). doubtful

    (D). correct

  • ►- EMF is an abbreviation of the
  • Question : EMF is an abbreviation of the

    (A). electromotive force

    (B). electrical motive force

    (C). electroni cmotive force

    (D). both electromotive and electrical motive force

  • ►- The formula that describes the statement of the coulombs law is
  • Question : The formula that describes the statement of the coulombs law is

    (A). f q1q2/r�

    (B). f 1q2/r�

    (C). f q2/r�

    (D). f q1q2/r

  • ►- In the phenomena of work done by the variable force, the forces
  • Question : In the phenomena of work done by the variable force, the forces

    (A). remain constant

    (B). doesn't remain constant

    (C). increases

    (D). decreases

  • ►- Unit vectors are normally used to represent other vector's
  • Question : Unit vectors are normally used to represent other vector's

    (A). direction

    (B). place

    (C). velocity

    (D). magnitude

  • ►- An ideal black body is
  • Question : An ideal black body is

    (A). an ideal absorber

    (B). an ideal radiator

    (C). an ideal reflector

    (D). an ideal absorber as well as an ideal radiator

  • ►- Energy that is stored in an inductor can be represented by
  • Question : Energy that is stored in an inductor can be represented by

    (A). 1/2(L�I)

    (B). 1/2(LI�)

    (C). L(I/T)

    (D). LI

  • ►- One of the energies that is known as renewable energy is
  • Question : One of the energies that is known as renewable energy is

    (A). coal

    (B). oil

    (C). tides

    (D). natural gas

  • ►- Energy from the gravitational field is the energy obtained from
  • Question : Energy from the gravitational field is the energy obtained from

    (A). wind

    (B). biomass

    (C). coal

    (D). tides

  • ►- The product of the mass and the velocity is known as
  • Question : The product of the mass and the velocity is known as

    (A). impulse

    (B). distance

    (C). momentum

    (D). velocity

  • ►- The rotational kinetic energy of the disc is given by
  • Question : The rotational kinetic energy of the disc is given by

    (A). 1/4(mv�)

    (B). 1/2(mv�)

    (C). 1/8(mv�)

    (D). 1/6(mv�)

  • ►- The typical rocket consumes fuel on the amount of
  • Question : The typical rocket consumes fuel on the amount of

    (A). 8000 kg/s

    (B). 9000 kg/s

    (C). 10000 kg/s

    (D). 11000 kg/s

  • ►- One of the physical quantities which is not a base quantity is
  • Question : One of the physical quantities which is not a base quantity is

    (A). length

    (B). mass

    (C). force

    (D). time

  • ►- Moment of inertia of the thin rod is given by the formula of
  • Question : Moment of inertia of the thin rod is given by the formula of

    (A). 1/12(ml�)

    (B). mr�

    (C). 2(mr)

    (D). 2/5(mr�)

  • ►- The area under the velocity-time graph is equal to the
  • Question : The area under the velocity-time graph is equal to the

    (A). 1/2(VxT)

    (B). (Vxt)

    (C). 1/2(V + t)

    (D). (V + t)

  • ►- If the work done has angle equal to 90 then the work will be
  • Question : If the work done has angle equal to 90 then the work will be

    (A). positive

    (B). negative

    (C). zero

    (D). maximum

  • ►- The unit of gravitational constant G has the dimensions
  • Question : The unit of gravitational constant G has the dimensions

    (A). ML^3T^-2

    (B). M^-1L^3T^-2

    (C). M^-1T^-2

    (D). M^-1L^3T

  • ►- Atomic spectra is an example of
  • Question : Atomic spectra is an example of

    (A). line spectra

    (B). continuous spectra

    (C). band spectra

    (D). both line and continuous spectra

  • ►- Physics is the branch of science the name PHYSICS means
  • Question : Physics is the branch of science the name PHYSICS means

    (A). matter

    (B). material

    (C). nature

    (D). galaxy

  • ►- A geo-stationary satellite orbits around the earth once
  • Question : A geo-stationary satellite orbits around the earth once

    (A). per month

    (B). per week

    (C). per day

    (D). per hour

  • ►- The product of the force and moment arm is known as
  • Question : The product of the force and moment arm is known as

    (A). potential difference

    (B). voltage

    (C). torque

    (D). inertia

  • ►- The density of the air is round about equal to
  • Question : The density of the air is round about equal to

    (A). 1.2041 kg/m�

    (B). 1.3041 kg/m�

    (C). 1.4041 kg/m�

    (D). 1.5041 kg/m�

  • ►- The liquid that is used to conduct current is called
  • Question : The liquid that is used to conduct current is called

    (A). electrolysis

    (B). electrode

    (C). electrolyte

    (D). cathode

  • ►- For detection of brain's behavior EEG and ECG use
  • Question : For detection of brain's behavior EEG and ECG use

    (A). graph

    (B). sensors

    (C). electrodes

    (D). both graph and sensors

  • ►- The cylinder has moment of inertia given by the formula of
  • Question : The cylinder has moment of inertia given by the formula of

    (A). (ml�)

    (B). mr

    (C). 1/2(mr)

    (D). 5(mr�)

  • ►- The angular momentum of the moving body is represented by the symbol
  • Question : The angular momentum of the moving body is represented by the symbol

    (A). L

    (B). P

    (C). M

    (D). T

  • ►- Curved flights at high speed requires centripetal force that is
  • Question : Curved flights at high speed requires centripetal force that is

    (A). small

    (B). zero

    (C). large

    (D). maximum

  • ►- The equation d = r2-r1 is referred to as the body's
  • Question : The equation d 2-r1 is referred to as the body's

    (A). displacement

    (B). work

    (C). speed

    (D). acceleration

  • ►- The constant of equation of continuity is known as
  • Question : The constant of equation of continuity is known as

    (A). flow rate

    (B). friction

    (C). fluid flow

    (D). surface tension

  • ►- Time rate of change of momentum of a body is equal to
  • Question : Time rate of change of momentum of a body is equal to

    (A). displacement

    (B). applied force

    (C). speed

    (D). velocity

  • ►- The dot product of A.B with angle 0 would produce results equal to
  • Question : The dot product of A.B with angle 0 would produce results equal to

    (A). A.B

    (B). A

    (C). AB

    (D). B

  • ►- Natural defect of the person's sense is the
  • Question : Natural defect of the person's sense is the

    (A). random error

    (B). systematic error

    (C). uncertainty

    (D). frequent error

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