Physics Practice Test 3




Entry test contains most of the Physics MCQs. FSC Part 2 Physics book MCQs. HSSC Physics questions MCQs. Solved Chapterwise Physics MCQs for first-year 12 class MCQs and 11 class MCQs. Second-year and first-year Physics textbooks chapter-wise MCQs with the answer are provided here. The physics portion is helpful in MDCAT , ECAT , NTS NAT , and NUST NET . PakLearningSpot PLS MCQs Bank website for FREE Entry test preparations

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Physics Practice Test 3

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1 / 100

Category: Physics Ch 12 Class 12

A sphere of charge +Q is fixed in a position. A smaller sphere of +q is placed near the larger sphere and released from the rest. The small sphere will move away from the large sphere with?

NTS 2014
Physics
Electrostatics
Elimination Tool:

2 / 100

Category: Physics Ch 14 Class 12

A particle of charge -0.04C is projected with speed 2 x 104 m/s into a uniform magnetic field ‘B’ of strength 0.5 T. If the particle’s velocity as it enters the field is perpendicular to ‘B’, what is the magnitude of the magnetic force on this particle:

NTS 2010
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

3 / 100

Category: Physics Ch 21 Class 12

Which one of these is used in the treatment of Cancer?

4 / 100

Category: Physics Ch 7 Class 11

The motion of particle executing SUM is given by x = 0.01 sin 100 π t, where x is in meter and time is in second. The time period is

5 / 100

Category: Physics Ch 12 Class 12

If two point charges of charge q1 and q2 are placed at distance d, then the force between them is proportional to:

PMC Sample 1
Physics
Electrostatics
Elimination Tool:

6 / 100

Category: Physics Ch 14 Class 12

If a wire having current 10A has a 3T magnetic field, what will be the magnetic field at a point from the wire at double the distance?

NUMS 2016
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

7 / 100

Category: Physics Ch 15 Class 12

A stationary wave is formed in a pipe which is open at one end. If length of pipe is L, then what is the maximum possible wavelength of the wave.?

PMC Practice 20
Physics
Electromagnetic Waves
Elimination Tool:

8 / 100

Category: Physics Ch 21 Class 12

The chemical properties of elements depend on ________.

NUMS 2019 Reconduct
Physics
Nuclear Physics
Elimination Tool:

9 / 100

Category: Physics Ch 12 Class 12

Ohm multiplied by farad is equivalent to:

PMC 2020
Physics
Electrostatics
Elimination Tool:

10 / 100

Category: Physics Ch 14 Class 12

If length of solenoid gets doubled while keeping N (number of turns) constant, the resultant magnetic field will be?

11 / 100

Category: Physics Ch 7 Class 11

To double the total energy for a mass-spring system oscillating in SHM, by what factor must the amplitude increase?

NUMS 2015
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

12 / 100

Category: Physics Ch 12 Class 12

What will be the change in potential energy if an electron moves 4.5m in the direction of an electric field of strength 325 N/C?

13 / 100

Category: Physics Ch 13 Class 12

If two or more resistors are joined to each other side by side, this combination is called:

NUMS 2018
Physics
Current Electricity
Elimination Tool:

14 / 100

Category: Physics Ch 4 Class 11

A neutron travels a distance of 12 m in a time interval of 3.6 x 10 – 4s. Assuming its speed was constant, find its kinetic energy. (take 1.7 x 10 – 27 kg is the mass of neutron)

NTS 2015 SMBBMC
Physics
Work, Power and Energy
Elimination Tool:

15 / 100

Category: Physics Ch 7 Class 11

A simple pendulum is suspended from the ceiling of a lift has a time period T when the lift is at rest. when it fall freely

16 / 100

Category: Physics

If the body is rotating with uniform angular velocity, then its torque is:

NUMS Mock 2
Physics
Circular Motion and Momentum

17 / 100

Category: Physics Ch 6 Class 11

What is dimension of coefficient of viscosity?

18 / 100

Category: Physics Ch 19 Class 12

Black body radiations were first observed by:

19 / 100

Category: Physics Ch 12 Class 12

In what form is the energy stored in a charged capacitor?

PMC 2020
Physics
Electrostatics
Elimination Tool:

20 / 100

Category: Physics Ch 16 Class 12

The frequency of applied AC is 2 kHz. Its time period will be:

PMC Practice 3
Physics
Alternating Current
Elimination Tool:

21 / 100

Category: Physics Ch 13 Class 12

An ammeter reads up to 1 A. Its internal resistance is 0.81 Ω. To increase the range to 10 A, the value of the required shunt is:

NTS 2012
Physics
Current Electricity
Elimination Tool:

22 / 100

Category: Physics Ch 14 Class 12

A circuit in which there is a current of 10 amperes is changed so that the current falls to zero in 0.5 seconds. If an average e.m.f. of 400 volts is induced, what is the self-inductance of the circuit?

NTS 2015 DUHS and JSMU
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

23 / 100

Category: Physics Ch 8 Class 11

If a wave can be polarized, it means, it is:

NUMS 2016
Physics
Wave Motion and Sound
Elimination Tool:

24 / 100

Category: Physics Ch 4 Class 11

What is the speed of 2.0 kg metallic bob at the mean position of a simple pendulum, when released from its extreme position 0.5m high? (g = 10 ms-2)

PMC 2020
Physics
Work, Power and Energy
Elimination Tool:

25 / 100

Category: Physics Ch 3 Class 11

A mass has constant acceleration, what is true about the force applied on it?

NUMS 2016
Physics
Forces and Motion
Elimination Tool:

26 / 100

Category: Physics Ch 11 Class 11

A fixed mass of gas in a thermally insulated container is compressed. After compression, the temperature of the gas will have:

NTS 2017
Physics
Heat and Thermodynamics
Elimination Tool:

27 / 100

Category: Physics

In simple harmonic motion, acceleration will be maximum, when object is at:

NUMS Mock 3
Physics
Oscillations and Simple Harmonic Motion

28 / 100

Category: Physics Ch 15 Class 12

Energy emitted in the form of visible radiation is called:

2022 PMC Test 1
Physics
Electromagnetic Waves
Elimination Tool:

29 / 100

Category: Physics Ch 14 Class 12

Transformer works on the principle of:

NTS 2016 SMBBMC
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

30 / 100

Category: Physics Ch 3 Class 11

A body starts sliding on a rough horizontal surface with a speed of 10 m/s. If the coefficient of friction is 0.2, find the distance traveled by the body before coming to rest. (g = 10m/s)

NTS 2010
Physics
Forces and Motion
Elimination Tool:

31 / 100

Category: Physics Ch 20 Class 12

According to Bohr’s theory of Hydrogen atom, only those atomic orbits with radii ‘r’ and atomic shell ‘n’ around the nucleus are allowed which have the angular moments:

NTS 2016 DUHS & JSMU
Physics
Atomic Spectra
Elimination Tool:

32 / 100

Category: Physics Ch 16 Class 12

Power factor in an AC circuit Is?

33 / 100

Category: Physics

A red colored cloth red light

34 / 100

Category: Physics

Q.154  K.E of a body become th than its initial value. What is the change in its velocity?

35 / 100

Category: Physics Ch 3 Class 11

if the velocity of a body is reducing, the negative acceleration Is called:

 

36 / 100

Category: Physics Ch 7 Class 11

For a simple harmonic motion the acceleration of the body is _______ to displacement and always directed towards ________.

NUMS 2019 Reconduct
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

37 / 100

Category: Physics Ch 14 Class 12

A circuit in which there is a current of 5 amp is changed so that the current falls to zero in 0.1s. If an average e.m.f of 200 volts is induced, what is the self-inductance of the circuit?

NTS 2014
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

38 / 100

Category: Physics

In a half wave rectifier, the diode conducts during:

NUMS Mock 1
Physics
Electronics

39 / 100

Category: Physics

Q.116 A cyclist come to skidding stop in 10 m, the force on the cycle due to the road is 200 N and opposite to the motion. how much work does the cycle do on the road

40 / 100

Category: Physics Ch 11 Class 11

Find the heat transferred to or from the system when a thermodynamics system undergoes a process in which its internal energy decreases by 300 J. If at the same time, 120 J of work is done on the system.

NTS 2016 DUHS & JSMU
Physics
Heat and Thermodynamics
Elimination Tool:

41 / 100

Category: Physics Ch 10 Class 11

Unit of power of a lens is

42 / 100

Category: Physics Ch 5 Class 11

Unit of Angular Momentum? a) Kg m2 s’1b) c) Js-1 d) Both a and b

43 / 100

Category: Physics Ch 1 Class 11

The unit of velocity is:

PMC Sample 2
Physics
Measurements
Elimination Tool:

44 / 100

Category: Physics Ch 12 Class 12

Which of the following can’t be used as a dielectric in a capacitor

45 / 100

Category: Physics Ch 7 Class 11

A progressive wave moving along the X axis is represented by y = [(2 π / λ – x)]. The wavelength at which the maximum particle velocity is 3 times the wave velocity is:

NUMS 2014
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

46 / 100

Category: Physics Ch 10 Class 11

The magnifying power of a compound microscope in terms of the magnification of the objective and
magnifying power of the eyepiece is given by

47 / 100

Category: Physics Ch 16 Class 12

Simple oscillating circuit consists of?

48 / 100

Category: Physics Ch 10 Class 11

If an object is placed away form ‘2f’ of a converging lens, then the image will be

49 / 100

Category: Physics Ch 15 Class 12

Which one of the following waves needs a medium to travel?

PMC 2021 Tested
Physics
Electromagnetic Waves
Elimination Tool:

50 / 100

Category: Physics Ch 4 Class 11

The rate at which work is being done is called:

UHS 2018
Physics
Work, Power and Energy
Elimination Tool:

51 / 100

Category: Physics

If the amplitude is 200, the intensity is 300 when the amplitude is increased to 800 then what will be the intensity?

NUMS Mock 3
Physics
Fluid Dynamics

52 / 100

Category: Physics Ch 16 Class 12

What is the range of typical band gap in conductors

PMC Sample 3
Physics
Alternating Current
Elimination Tool:

53 / 100

Category: Physics Ch 7 Class 11

When the frequency of the applied force becomes equal to one of natural frequencies of body then the body oscillates with maximum displacement this phenomenon is called:

UHS 2018
Physics
Wave Motion and Sound
Oscillations and Simple Harmonic Motion
Elimination Tool:

54 / 100

Category: Physics Ch 21 Class 12

Which of the following is the pair of isobars?

NUMS 2016
Physics
Nuclear Physics
Elimination Tool:

55 / 100

Category: Physics Ch 3 Class 11

Which one of the following force is non-conservative:

PMC 2020
Physics
Forces and Motion
Elimination Tool:

56 / 100

Category: Physics Ch 14 Class 12

The current measuring part of the Avometer consists of a number of low resistors connected …

NUMS 2016
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

57 / 100

Category: Physics Ch 16 Class 12

Which of the following remains unchanged in a transformer.

PMC Sample 3
Physics
Alternating Current
Elimination Tool:

58 / 100

Category: Physics Ch 8 Class 11

In which of the following medium will the speed of sound be maximum?

59 / 100

Category: Physics Ch 1 Class 11

Which of the following is not a base unit in the SI system?

NTS 2016 SMBBMC
Physics
Measurements
Elimination Tool:

60 / 100

Category: Physics Ch 14 Class 12

In CRO, electrons are emitted from:

61 / 100

Category: Physics Ch 19 Class 12

Mass of a body with speed of light approaches to:

62 / 100

Category: Physics Ch 3 Class 11

When the speed of body is doubled is momentum becomes

63 / 100

Category: Physics Ch 4 Class 11

A body of mass m moving with velocity v has a kinetic energy K. If its velocity is increased by 25%, what will be the work done in terms of K.E?

 

64 / 100

Category: Physics Ch 17 Class 12

Let L be the length and d be the diameter of the cross section of a wire. Wires of the same material with different L and d are subjected to the same tension along the length of the wire. In which of the following cases the extension of wire will be the maximum?

NUMS 2019 Cancelled
Physics
Physics of Solids
Elimination Tool:

65 / 100

Category: Physics Ch 6 Class 11

An object having spherical shape of radius ‘r’ experiences a retarding force F from a fluid of coefficient of viscosity ‘η’ when moving through the fluid with speed ‘v’. What is the ratio of retarding force to speed?

UHS 2011
Physics
Fluid Dynamics
Elimination Tool:

66 / 100

Category: Physics Ch 2 Class 11

A constant force F= 2i + 3j +4k is applied on a body. What will be the work done to move the body 5m in the z-direction?

PMC Sample 1
Physics
Scalars and Vectors
Elimination Tool:

67 / 100

Category: Physics Ch 16 Class 12

An alternating voltage source is connected to a resistor R, and a capacitor C, then which of the following statements about phase angle between voltage V and current I is correct?

NUMS 2019 Cancelled
Physics
Alternating Current
Elimination Tool:

68 / 100

Category: Physics Ch 12 Class 12

The force between two point charges separated by a certain distance is F. If each charge is doubled and the distance between them is also doubled, then the force would be:

PMC Sample 1
Physics
Electrostatics
Elimination Tool:

69 / 100

Category: Physics

The bicycle pump works on the basis of:

NUMS Mock 2
Physics
Heat and Thermodynamics

70 / 100

Category: Physics Ch 3 Class 11

Two bodies ‘x’ and ‘Y’ are attached to the ends of a string which passes over a pulley so that the two bodies hang vertically. If the mass of the body ‘x’ is 5 kg and that of body ‘Y’ is 4.8 kg. Find the acceleration?(g = 9.8 m/s^2)

NTS 2015 DUHS and JSMU
Physics
Forces and Motion
Elimination Tool:

71 / 100

Category: Physics Ch 16 Class 12

The angle made by the coil of an AC generator at a time Interval 3T/4 is?

72 / 100

Category: Physics Ch 2 Class 11

If A = B + C and A, B, C have scalar magnitudes of 5, 4, 3 units respectively then the angle between vector A and Vector C is:

NUMS 2014
Physics
Scalars and Vectors
Elimination Tool:

73 / 100

Category: Physics Ch 6 Class 11

The viscous drag on small spherical body (moving with slow speed v) is propotional to

ETEA 2019
Physics
Fluid Dynamics
Elimination Tool:

74 / 100

Category: Physics Ch 8 Class 11

When the source moves towards an observer the frequency of waves as perceived by observer:

75 / 100

Category: Physics Ch 14 Class 12

A 3-cm length of wire is moved at right angles across a uniform magnetic field with a speed of 2.0 m/s . If the flux density is 5.0 teslas, what is the magnitude of the induced e.m.f?

NTS 2016 DUHS & JSMU
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

76 / 100

Category: Physics

Q.179 A primary cell has an emf of 1.5 V. When a 5W resistor is connected across it, the current is 0.2 A. The internal resistance of the cell is

77 / 100

Category: Physics Ch 13 Class 12

The power dissipated in a resistor is 12.8 watts when 4A current Is passed. Hw much power will be dissipated If 6A current Is passed through the same resistor?

78 / 100

Category: Physics Ch 11 Class 11

During isothermal process which of the following remains constant:

79 / 100

Category: Physics Ch 13 Class 12

A 100 watt bulb is operated by 240 volts, the current through the bulb will be:

NTS 2012
Physics
Current Electricity
Elimination Tool:

80 / 100

Category: Physics Ch 13 Class 12

A row of 25 decorative lights, connected in series, is connected to a main transformer. When the supply is switched on, the lights do not work. The owner uses a voltmeter to test the circuit. When the voltmeter is connected across the third bulb in the row, a reading of zero is obtained. Which of the following cannot be the only fault in the circuit?

NTS 2017
Physics
Current Electricity
Elimination Tool:

81 / 100

Category: Physics Ch 8 Class 11

In a ripple tank, 40 waves pass through a certain point in one second. If the wavelength of the waves is 5 cm, then find the speed of the wave:

NUMS 2020
Physics
Wave Motion and Sound
Elimination Tool:

82 / 100

Category: Physics Ch 13 Class 12

The fractional change in resistance per kelvin is known as:

NUMS 2016
Physics
Current Electricity
Elimination Tool:

83 / 100

Category: Physics Ch 4 Class 11

For projectile motion, in the absence of air resistance:

UHS 2019
Physics
Motion in Two Dimensions
Elimination Tool:

84 / 100

Category: Physics Ch 8 Class 11

A sound wave travels with a speed of 330ms−1 in air. If the wavelength of the wave is 3.3m, then the frequency of the wave is ______.

PMC Sample 2
Physics
Wave Motion and Sound
Elimination Tool:

85 / 100

Category: Physics Ch 3 Class 11

Two bodies ‘X’ and ‘Y’ are attached to the ends of a string which passes over a pulley so that the two bodies hang vertically. If the mass of the body ‘X’ is 10 kg and that of ‘Y’ is 9.8 kg. Find the acceleration? (g = 9.8 m/s2)

NTS 2016 DUHS & JSMU
Physics
Forces and Motion
Elimination Tool:

86 / 100

Category: Physics Ch 7 Class 11

If length of the pendulum is halved time ‘period will be?

87 / 100

Category: Physics Ch 7 Class 11

A steel wire hangs vertically from a fixed point, supporting a weight of 80 N at its lower end. The diameter of the wire is 0.50 mm and its length from the fixed point to the weight is 1.5 m. If density of steel wire = 7.8 x 103 kg/m3, then what is the fundamental frequency emitted from the wire.

PMC Sample 2
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

88 / 100

Category: Physics Ch 7 Class 11

A body of mass 4 kg attached to a spring is displaced through 0.04 m from its equilibrium position and then released. If the spring constant is 400 N/m, find the time period of the vibration?

NTS 2016 DUHS & JSMU
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

89 / 100

Category: Physics Ch 19 Class 12

Who proposed matter waves?

90 / 100

Category: Physics Ch 7 Class 11

The force applied on unit area to produce any change in the volume or length of a body is called:

NUMS 2017
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

91 / 100

Category: Physics Ch 12 Class 12

What is true about the electric field and electric force?

NUMS 2016
Physics
Electrostatics
Elimination Tool:

92 / 100

Category: Physics Ch 3 Class 11

A person has to cover a distance of 6 km in 45 minutes. If he covers one-half of the distance in two-thirds of the total time; to cover the remaining distance in the remaining time his speed (in km/hr) must be:

 

93 / 100

Category: Physics Ch 4 Class 11

A particle having mass m and momentum p, the kinetic energy of the particle is given by:

PMC Sample 3
Physics
Work, Power and Energy
Elimination Tool:

94 / 100

Category: Physics Ch 5 Class 11

A car 500 kg is travelling at a constant speed of 9 m/s round a curve of 100m. What is the centripetal force?

NTS 2019
Physics
Circular Motion and Momentum
Elimination Tool:

95 / 100

Category: Physics Ch 16 Class 12

A full wave rectifier is operating from 50 Hz mains. Fundamental frequency of ripple will be:

PMC Practice 1
Physics
Alternating Current
Elimination Tool:

96 / 100

Category: Physics

Q.136  The resistance of silicon decreases with

97 / 100

Category: Physics Ch 15 Class 12

A changing electric field produces

98 / 100

Category: Physics Ch 3 Class 11

A block of mass 50 kg is pulled on a frictionless floor by a force of 210 N directed at 30 degrees to the horizontal. If the block moves 3.0 m, what is the work done on it by the applied force?

NTS 2013
Physics
Forces and Motion
Elimination Tool:

99 / 100

Category: Physics Ch 7 Class 11

Equation of SHM, with amplitude ‘a’ is given by:

NUMS 2015
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

100 / 100

Category: Physics Ch 11 Class 11

Efficiency of the Carnot’s cycle will be 100% if the temperature of cold reservoir is:

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