Physics Practice Test 3

Physics Practice Test 3 is designed to help students strengthen their understanding of key physics concepts, formulas, and principles for competitive entry tests like MDCAT, NUMS, AKU, UET, ECAT, NTS, as well as FSC Board Exams. This test covers topics from waves, oscillations, sound, and light, helping students improve accuracy and problem-solving skills.

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Physics Practice Test 3

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1 / 100

Category: Physics Ch 5 Class 11

When a body moves in the direction of gravitational force i.e. towards the earth, the work is done by the force of gravity on the body and is ______, whereas when the body moves against the direction of gravitational force, the corresponding work done is ______.

NTS 2014
Physics
Gravitation
Elimination Tool:

A) negative … positive

B) positive… negative

C) positive … positive

D) negative … negative

2 / 100

Category: Physics

By increasing the area of the plates and decreasing the distance between them, the capacitance of a capacitor:

NUMS Mock 3
Physics
Electrostatics

A) Increases

B) Decreases

C) Remains unchanged

D) Depending upon temperature

3 / 100

Category: Physics Ch 15 Class 12

Electromagnetic waves are produced by:

NTS 2012
Physics
Electromagnetic Waves
Elimination Tool:

A) Motion of electric and magnetic fields

B) Chargeless particles

C) A static charge

D) Heat

4 / 100

Category: Physics

A parallel plate capacitor has a capacitance C. If the distance between the two plates is halved, the capacitance will be?

NUMS Mock 3
Physics
Electrostatics

A) 0.5 C

B) 4 C

C) 0.25 C

D) 2 C

5 / 100

Category: Physics Ch 20 Class 12

X-rays are also known as:

NTS 2015 DUHS and JSMU
Physics
Atomic Spectra
Elimination Tool:

A) Rydberg rays

B) Roentgen rays

C) Ultraviolet rays

D) Zig-zag rays

6 / 100

Category: Physics Ch 10 Class 11

The electrical signals change into light signals for transmission through optical fibre. A light pulse
represent.

Zero (0)

One (1)

Both zero (0) and one (1)

Neither zero (0) nor one (1)

7 / 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:

A) 2 F

B) F

C) F/2

D) 4 F

8 / 100

Category: Physics Ch 7 Class 11

A wave passes through a medium; each particle of the medium performs 100 complete vibrations in 5 seconds. What is the frequency of the wave?

PMC Practice 3
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

A) 2 Hz

B) 20 Hz

C) 4 Hz

D) 40 Hz

9 / 100

Category: Physics Ch 20 Class 12

If an electron jumps from 68′ orbit to 7 orbit, the increase in radius will be:

90%

25%

33%

17%

10 / 100

Category: Physics Ch 4 Class 11

Which unit expresses work per unit charge?

NTS 2017
Physics
Work, Power and Energy
Elimination Tool:

A) Hertz

B) Watt

C) Joule

D) Volt

11 / 100

Category: Physics Ch 13 Class 12

Unit of emf?

Volts

Henry

Watt

Ampere

12 / 100

Category: Physics Ch 20 Class 12

X rays are affected by:

NUMS 2018
Physics
Atomic Spectra
Elimination Tool:

A) Electric field only

B) Magnetic field only

C) Electric and magnetic field

D) None of these

13 / 100

Category: Physics Ch 11 Class 11

According to kinetic theory,

NUMS 2019 Reconduct
Physics
Heat and Thermodynamics
Elimination Tool:

A) The pressure exerted by a gas is proportional to mean square velocity of the molecules

B) The pressure exerted by the gas is proportional to the root mean square velocity of the molecules

C) The root mean square velocity is inversely proportional to the temperature

D) The mean translational K.E. of the molecule is directly proportional to the absolute temperature

14 / 100

Category: Physics Ch 13 Class 12

Volt/ohm=

Sec

Ampere

Coulomb

Hertz

15 / 100

Category: Physics Ch 1 Class 11

Percentage uncertainty in length and width of a rectangle is 2% and 3%. The total uncertainty in the area of that rectangle is?

UHS 2019
Physics
Measurements
Elimination Tool:

A) 1.5%

B) 5%

C) 1%

D) 6%

16 / 100

Category: Physics Ch 20 Class 12

A nucleus consists of 19 protons and 20 neutrons. The conventional symbol of this nucleus is:

NTS 2013
Physics
Atomic Spectra
Elimination Tool:

A) 11 Na 12

B) 19 K 19

C) 19 K 39

D) 19 K 20

17 / 100

Category: Physics

In modern day electrical arrangements, which of the following is connected in series with the others?

Fan

Bulb

Tube Lights

None of these

18 / 100

Category: Physics Ch 19 Class 12

What will be the energy in Joules, when an electron acquires a speed of 10 m/s?

NTS 2016 DUHS & JSMU
Physics
Dawn of Modern Physics
Elimination Tool:

A) 3.61 x 10-19J

B) 4.55 x 10-29 J

C) 5.13 x 10-19J

D) 6.13 x 10-19J

19 / 100

Category: Physics Ch 3 Class 11

A particle is projected from the ground with a kinetic energy E at an angle of 60 degree with the horizontal. Its kinetic energy at the highest point of its motion will be:

NUMS 2019 Cancelled
Physics
Forces and Motion
Elimination Tool:

A) E

B) E/2

C) E/4

D) E/8

20 / 100

Category: Physics

Q.134 “The heat required to raise the temperature of one mole or the substance through 1 K” is called:,

A. Specific latent heat

B. Molar heat capacity

C. Molar specific heat

D. Specific heat capacity

21 / 100

Category: Physics Ch 12 Class 12

Capacitance increases by

Increasing supplied Voltage

Increasing the Separation of plates

Increasing supplied current

Increasing the Area of Plates

22 / 100

Category: Physics Ch 5 Class 11

Artificial gravity can be supplied by which of the following ways so that normal force of gravity can be generated for the astronaut:

NTS 2011
Physics
Gravitation
Elimination Tool:

A) rotating the space craft

B) back and forth motion spacecraft

C) up and down movement of spacecraft

D) keeping the space craft stationary

23 / 100

Category: Physics Ch 14 Class 12

In transmission from grid station, power losses are minimized by:

PMC 2020
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

A) Increasing current

B) Decreasing current

C) Increasing resistance

D) Increasing voltage

24 / 100

Category: Physics Ch 20 Class 12

If the ionization energy of a hydrogen atom is 13.6 eV, its ionization potential will be:

PMC Sample 1
Physics
Atomic Spectra
Elimination Tool:

A) 13.6 V

B) 136.0 V

C) 3.4 V

D) None of these options are correct

25 / 100

Category: Physics Ch 19 Class 12

Planck’s constant is analogous to:

PMC Practice 6
Physics
Dawn of Modern Physics
Elimination Tool:

A) Inertia

B) Wave nature

C) Angular momentum

D) Linear momentum

26 / 100

Category: Physics Ch 1 Class 11

Dimensions of work?

MLT^-2

ML^-1T^-2

ML^2T^2

ML^2T^-2

27 / 100

Category: Physics Ch 15 Class 12

Longitudinal standing wave, in second harmonic mode, is established in a tube that is open at both ends. The length of the tube is 0.8m. What is the wavelength of the waves that make up the standing wave?

PMC Practice 10
Physics
Electromagnetic Waves
Elimination Tool:

A) 0.20m

B) 0.40m

C) 0.80m

D) 1.60m

28 / 100

Category: Physics Ch 17 Class 12

To determine Young’s modulus of a material of a given wire of length ? we use:

ETEA 2018
Physics
Physics of Solids
Elimination Tool:

A) Melde’s Apparatus

B) Young’s Apparatus

C) Searle’s Apparatus

D) Cavendish Apparatus

29 / 100

Category: Physics Ch 16 Class 12

Identify the factor on which mutual inductance does not depend:

PMC Practice 3
Physics
Alternating Current
Elimination Tool:

A) Relative orientation

B) Relative separation of two coils

C) Reciprocity

D) Permeability of the core material

30 / 100

Category: Physics Ch 14 Class 12

An A.C emf of E = 100 sin (100 π t) volt is concerned with a choke of negligible resistance. In order to produce current of amplitude 1 A, the inductance of the choke should be:

NUMS 2015
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

A) 200 H

B) 2π H

C) 1 /πH

D) 2 /πH

31 / 100

Category: Physics Ch 6 Class 11

Stokes’ Law is given as:

UHS 2013
Physics
Fluid Dynamics
Elimination Tool:

A) F = 6πηr2v

B) F = 6πηrv

C) F = 6πηrv-1

D) F = 6π2ηr3v

32 / 100

Category: Physics Ch 13 Class 12

A wire of resistance R is bent in the form of a circle the resistance between two points on the circumference of the wire and at the end of the diameter of circle is

NUMS 2019 Reconduct
Physics
Current Electricity
Elimination Tool:

A) R/4

B) R/2

C) R

D) 2R

33 / 100

Category: Physics

Q.166 The energy required to charge a capacitor of 5μF by connecting a D.C source of 20 kV is

A. 10 kJ

B. 5 kJ

C. 2 kJ

D. 1 kJ

34 / 100

Category: Physics Ch 20 Class 12

The formula for the Paschen series for the Hydrogen spectrum is _______.

NTS 2019
Physics
Atomic Spectra
Elimination Tool:

A) 1/λ=Rh(1/22 – 1/n2 ) n=3,4,5

B) 1/λ=Rh(1/42- 1/n2) n=2,3,4,5

C) 1/λ=Rh(1/42- 1/n2 ) n=5,6,7

D) 1/λ=Rh(1/32- 1/n2 ) n=4,5,6

35 / 100

Category: Physics Ch 7 Class 11

A force F = 0.12 N is applied on a spring and the spring elongates by 3 cm. The specific constant of the spring is?

NUMS 2017
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

A) 0.4 Nm-2

B) 40 Nm-1

C) 400 Nm-1

D) 4 Nm-1

36 / 100

Category: Physics Ch 21 Class 12

During radioactive decay of a nucleus zXA, β emission takes place along with the daughter nucleus. Because of this beta particle emission, the mass number (A) of the parent nucleus:

NTS 2018
Physics
Nuclear Physics
Elimination Tool:

A) Remains constant

B) Decreases by 1

C) Increases by 1

D) Decreases by 2

37 / 100

Category: Physics Ch 12 Class 12

Two positive point charges are placed 2m apart. The electric potential at midpoint due to these two charges will be _____:

NUMS 2020
Physics
Electrostatics
Elimination Tool:

A) Added to double

B) Reduced to half

C) Remains same (no effect)

D) Cancel each other effect

38 / 100

Category: Physics Ch 15 Class 12

Polarization explains light is ———

PMC Practice 8
Physics
Electromagnetic Waves
Elimination Tool:

A) Electric in nature

B) Magnetic in nature

C) Both A and B

D) None of these

39 / 100

Category: Physics

Q.119 Negative of potential gradient is equal to:..

A. electricity intensity

B. electric flux

C. magnetic intensity

D. magnetic flux

40 / 100

Category: Physics

The difference between soft and hard X-rays is of:

NUMS Mock 1
Physics
Atomic Structure

A) Velocity

B) Intensity

C) Frequency

D) Polarization

41 / 100

Category: Physics

Q.148 Which of the following can have negative temperature of coefficient?

A. Compounds of silver

B. Liquid metals

C. Metallic alloys

D. Electrolytes

42 / 100

Category: Physics

Q.126 When a force is parallel to the direction of motion of body, the work done is

A. Zero

B. Minimum

C. Infinity

D. Maximum

43 / 100

Category: Physics Ch 14 Class 12

There is a current of 25 A in a long straight wire. What is the flux density at a point 3 cm from the wire?

NTS 2016 SMBBMC
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

A) 1.67 x 10-4 T

B) 3.67 x 10-4 T

C) 5.67 x 10-4 T

D) 7.67 x 10-4 T

44 / 100

Category: Physics Ch 12 Class 12

Unit of electric field is:

N/C

Weber/sec

Volt/C

Joule/sec

45 / 100

Category: Physics Ch 10 Class 11

Chromatic aberration can be removed by using

concave lens

combination of concave and convex lenses

two concave lenses

46 / 100

Category: Physics Ch 5 Class 11

A solar day is the time interval between two successive appearances of the sun overhead. The time that is referred to the rotation of the earth about its axis is called:

NTS 2018
Physics
Gravitation
Elimination Tool:

A) Universal Time

B) Length of the day

C) Time interval

D) Solar day

47 / 100

Category: Physics Ch 21 Class 12

When we measure the nuclear masses and compare them with the masses of the constituent nucleus in free states, the mass of the nucleus is always less than the mass of the constituent nucleons. The difference in mass is known as:

NTS 2015 DUHS and JSMU
Physics
Nuclear Physics
Elimination Tool:

A) Mass Defect

B) Mass Value

C) Mass Disorder

D) Mass Energy

48 / 100

Category: Physics Ch 16 Class 12

Resistance of RCL series circuit at resonance Is?

Xi R Xc

49 / 100

Category: Physics Ch 9 Class 11

In Young’s Experiment, the central spot In Interference pattern is

Always bright

Always dark (

Depends on distance from screen

Depends on size of slit

50 / 100

Category: Physics Ch 3 Class 11

Formula for Horizontal Range of projectile is

v^2sin2Θ/g

vsin2Θ/g

2vsin2Θ/g

None

51 / 100

Category: Physics Ch 11 Class 11

If constant temperature conditions are applied to a gas container, then the volume of the mass of that gas tends to increase by:

NTS 2018
Physics
Heat and Thermodynamics
Elimination Tool:

A) Decreasing the applied pressure

B) Increasing the applied pressure

C) Increasing the applied pressure with double force

D) Increasing the weight

52 / 100

Category: Physics Ch 14 Class 12

A proton is about 1840 times heavier than an electron. When it is accelerated by a potential difference of 1kV, its kinetic energy will be:

NUMS 2016
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

A) 1840 keV

B) 1/1840 keV

C) 1keV

D) 920 keV

53 / 100

Category: Physics Ch 3 Class 11

Dimensions of linear Momentum are:

MLT^-1

ML^2T^2

M^2LT^1

MLT^-2

54 / 100

Category: Physics Ch 9 Class 11

Incident rays of light parallel to the principal axis of a convex lens, after refraction by the lens, will:

NTS 2017
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

A) converge at the principal focus

B) converge inside the principal focus

C) converge outside the principal focus

D) converge at the center of curvature

55 / 100

Category: Physics Ch 7 Class 11

In the case of linear deformation, the ratio of tensile stress to tensile strain is called:

UHS 2018
Physics
Physics of Solids
Oscillations and Simple Harmonic Motion
Elimination Tool:

A) Energy stored in a stretched wire

B) Young’s double slit phenomenon

C) Bulk Modulus

D) Young’s Modulus

56 / 100

Category: Physics Ch 12 Class 12

If we double the separation between two charges then coulomb’s force will become?

NUMS 2020
Physics
Electrostatics
Elimination Tool:

A) Doubled

B) Half

C) 4-times

D) 1/4th

57 / 100

Category: Physics Ch 7 Class 11

If mass attached to a spring and the spring constant of a spring are doubled, the resulting Time period will:

Remain Same

Be Doubled

Be Halved

Be Quartered

58 / 100

Category: Physics Ch 10 Class 11

Two convex lenses of equal focal length ‘f’ are placed in contact, the resultant focal length of the
combination is

Zero

f/2

59 / 100

Category: Physics Ch 9 Class 11

Sky appears blue due to?

Light Interference

Light diffraction

Light scattering

Light polarization

60 / 100

Category: Physics

Q.126 A projectile is thrown at 45°, its range is 90 m what is its initial velocity

A. 10 ms–1

B. 50 ms–1

C. 30 ms–1

D. 90 ms–1

61 / 100

Category: Physics Ch 16 Class 12

Power of RCL circuit at resonance Is?

Zero

Minimum

Maximum

None of these

62 / 100

Category: Physics

An automobile is moving forwards with uniform velocity due to the force exerted by its engine. If the force is doubled with the velocity remaining constant what happens to its total power?

NUMS Mock 4
Physics
Work, Power and Energy

A) It is squared

B) It is halved

C) It is doubled

D) It does not change

63 / 100

Category: Physics

Half-life of iodine-131 is 8 days. If 20mg is present initially. How much iodine is left behind after 2 half-lives?

NUMS Mock 1
Physics
Nuclear Physics

A) 10 mg

B) 5 mg

C) 2.5 mg

D) 1.25 mg

64 / 100

Category: Physics Ch 11 Class 11

Law of heat exchange is used to determine:

NTS 2018
Physics
Heat and Thermodynamics
Elimination Tool:

A) Coefficient of linear expansion

B) Coefficient of volume expansion

C) Ideal gas constant

D) Specific heat of a substance

65 / 100

Category: Physics

What is the name of the energy which is released when an atom is formed from its constituent particles?

NUMS Mock 3
Physics
Nuclear Physics

A) Atomic Energy

B) Radioactive Energy

C) Nuclear Energy

D) Binding Energy

66 / 100

Category: Physics Ch 4 Class 11

A man throws a ball vertically upward in the compartment of an accelerated train. The ball will fall:

NUMS 2014
Physics
Motion in Two Dimensions
Elimination Tool:

A) ln front of him

B) In his hand

C) Behind him

D) Beside him

67 / 100

Category: Physics Ch 10 Class 11

In Double Slit experiment, the fringe spacing of the diffracted rays increases when:

UHS 2019
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

A) the wavelength of the diffracted rays increases

B) the distance between the slits increases

C) the distance from mid points of the slits to the central of the fringe on the screen increases

D) the distance between the screen and the slits decreases

68 / 100

Category: Physics

Q.142 Three charges +3q+q and Q are placed on a straight line with equal separation. In order to make the net force on q to be zero, the value or Q will be

A. 3q

B .2q

C. 4q

D. 5q

69 / 100

Category: Physics Ch 21 Class 12

In Nuclear Physics the mass defect is referred to _______.

NTS 2019
Physics
Nuclear Physics
Elimination Tool:

A) The difference in masses of free neutrons and protons.

B) The difference in masses of free neutrons and bonded nucleus

C) The difference in masses of free nuclear constituent and bonded nucleus

D) Difference between atomic mass and atomic number

70 / 100

Category: Physics Ch 3 Class 11

A ballistic missile is

Unpowered

Unguided

Both a and b

None

71 / 100

Category: Physics Ch 16 Class 12

In a half wave rectifier, the diode conducts during:

NUMS 2019 Reconduct
Physics
Alternating Current
Elimination Tool:

A) One half of the input cycle

B) A portion of the positive half of the input cycle

C) A portion of the negative half of the input cycle

D) Both halves of the input cycles

72 / 100

Category: Physics

Q.180 The ratio of mass of electron to neutron is

A. 1

B. 1200

C. 1300

D. None of these

73 / 100

Category: Physics Ch 4 Class 11

If the velocity of particle is varying linearly with time then shape of d-t curve would be

PMC Sample 2
Physics
Motion in Two Dimensions
Elimination Tool:

A) linear

B) quadratic

C) cubic

D) decreasing linearly

74 / 100

Category: Physics

Q.130 A closed container contains an ideal gas. Which of the following changes will result in decrease in temperature?

A. Volume = decrease temperature = decrease

B. Volume= decrease temperature = increase

C. Volume= increase temperature decrease

D. Volume= increase temperature increase

75 / 100

Category: Physics Ch 2 Class 11

{j * j}.i

-1

76 / 100

Category: Physics

The phase angle between two points in a medium is 3π/4. If the distance between these points is 20 cm, then the wavelength of the wave is?

NUMS Mock 3
Physics
Wave Motion and Sound

A) 8/15 m

B) 15/8 m

C) 8/15 cm

D) 15/8 cm

77 / 100

Category: Physics Ch 16 Class 12

In a step up transformer ________.

NTS 2019
Physics
Alternating Current
Elimination Tool:

A) Vs > Vp while Is > Ip

B) Vs Ip

C) Vs = Vp while Is > Ip

D) Vs > Vp while Is < Ip

78 / 100

Category: Physics

Q.83 Protons and neutrons are composed of smaller particles called

A. Quarks

B. baryons

C. bosons

D. photons

79 / 100

Category: Physics Ch 8 Class 11

The points which are in phase are separated from one another through a distance of :

PMC Sample 1
Physics
Wave Motion and Sound
Elimination Tool:

A) 1 wavelength

B) 1.5 wavelength

C) 0.5 wavelength

D) 2.5 wavelength

80 / 100

Category: Physics Ch 7 Class 11

Second’s pendulum has frequency equal to?

0.5

81 / 100

Category: Physics Ch 1 Class 11

Molar mass of water is:

PMC Sample 2
Physics
Measurements
Elimination Tool:

A) 0.018 kg/mol

B) 0.108 kg/mol

C) 0.027 kg/mol

D) 0.0635 kg/mol

82 / 100

Category: Physics Ch 11 Class 11

As a result of the natural process the entropy

Increases

Remains Same

Decreases

Either a or c

83 / 100

Category: Physics Ch 13 Class 12

n which of the following more heat energy is produced?

A bulb of resistance 5m ohm operated for 1 min by suppling a current of 120 A

An Iron producing heat energy of 2 kJ

A tube working for 2 mins with a supply of 50A current and offering a resistance of 0.02 ohms

Both a and c produce same energy

84 / 100

Category: Physics Ch 13 Class 12

A uniform wire of resistance 3 ohm is folded in such a way that it forms an equilateral triangle, then what is it’s resistance across the ends of any two vertices?

NUMS 2019 Cancelled
Physics
Current Electricity
Elimination Tool:

A) 2 ohm

B) 3 ohm

C) 2/3 ohm

D) 3/2 ohm

85 / 100

Category: Physics

Q.136 The resistance of silicon decreases with

A. Increase in temperature

B. Decrease in temperature

C. Increase in viscosity

D. Decreases in velocity

86 / 100

Category: Physics Ch 3 Class 11

A body of mass 5 kg, initially at rest, is moved by a horizontal force of 2N on a smooth horizontal surface. Find the work done by the force in 10 sec:

NTS 2010
Physics
Forces and Motion
Elimination Tool:

A) 40 J

B) 30 J

C) 50 J

D) 20 J

87 / 100

Category: Physics Ch 7 Class 11

Damping is the process whereby _______ is ______ from the oscillating system.

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

A) Energy ; dissipated

B) Energy ; generated

C) Energy ; conserved

D) Energy ; stored

88 / 100

Category: Physics Ch 11 Class 11

The temperature of a body at 100 °C is increased by Δ? as measured on the Celsius scale. How is this temperature change expressed on the Kelvin scale?

NTS 2013
Physics
Heat and Thermodynamics
Elimination Tool:

A) Δ? + 373

B) Δ? + 273

C) Δ? + 100

D) Δ?

89 / 100

Category: Physics Ch 15 Class 12

Microwave is:

2022 PMC Test 3
Physics
Electromagnetic Waves
Elimination Tool:

A) An electromagnetic wave

B) Sound wave

C) Longitudinal wave

D) Standing wave

90 / 100

Category: Physics Ch 18 Class 12

The principle behind the working of cathode ray oscilloscope is:

PMC Sample 1
Physics
Electronics
Magnetism and Electromagnetic Induction
Elimination Tool:

A) Oscillation

B) Half wave rectification

C) Full wave rectification

D) None of these

91 / 100

Category: Physics Ch 4 Class 11

A horizontal line in a displacement-time graph represents:

PMC Sample 1
Physics
Motion in Two Dimensions
Elimination Tool:

A) Uniform accelerated motion

B) Motion with constant velocity

C) Motion with constant speed

D) Body at rest

92 / 100

Category: Physics Ch 12 Class 12

An electric rod of 2000 watts rating boils a certain quantity of water in 10 minutes, the heat which generated for boiling this water is:

NTS 2013
Physics
Electrostatics
Elimination Tool:

A) 8 x 10^4Joules

B) 12 x 10^5Joules

C) 19 x 10^5Joules

D) 23 x 10^5Joules

93 / 100

Category: Physics Ch 15 Class 12

The light we see is:

PMC 2021 Tested
Physics
Electromagnetic Waves
Elimination Tool:

A) None of these

B) Infrared

C) Visible

D) Ultraviolet

94 / 100

Category: Physics Ch 12 Class 12

When wood is replaced by air as dielectric. The capacitance of capacitor

Increases

Decreases

Remains Constant

None

95 / 100

Category: Physics Ch 11 Class 11

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

+273K

-273K

100K

0 K

96 / 100

Category: Physics Ch 15 Class 12

A changing electric field produces

emf

Changing magnetic field

Current

None of these

97 / 100

Category: Physics Ch 6 Class 11

Stokes’ Law for steady motion in a fluid of infinite extent is given by:

UHS 2012
Physics
Fluid Dynamics
Elimination Tool:

A) F = 6πηrv

B) F = (4/3)πr3ρg

C) F = 6πηr2ρ

D) F = 2gr2ρ/9η

98 / 100

Category: Physics Ch 5 Class 11

One wheel has a diameter of 30 inches and a second wheel has a diameter of 20 inches. The first wheel travels a certain distance revolution in 240 revolutions. In how many revolutions did the second wheel travel the same distance.

NUMS 2017
Physics
Circular Motion and Momentum
Elimination Tool:

A) 170

B) 160

C) 360

D) 420

99 / 100

Category: Physics Ch 15 Class 12

In single slit diffraction, when wavelength lameda increases:

PMC Practice 20
Physics
Electromagnetic Waves
Elimination Tool:

A) Width of central maxima increases

B) Width of central maxima does not change

C) Central maxima becomes brighter

D) Width of central maxima decreases

100 / 100

Category: Physics Ch 21 Class 12

The chemical properties of elements depend on ________.

NUMS 2019 Reconduct
Physics
Nuclear Physics
Elimination Tool:

A) Atomic number only

B) Mass number only

C) Atomic number and mass both

D) Neither atomic number nor mass number

Your score is

The average score is 51%

Structured Practice for Best Entry Test Preparation

This topic-wise and chapter-wise practice test allows students to focus on individual physics concepts, numerical problems, derivations, and practical applications. Regular practice enhances understanding, sharpens problem-solving abilities, and builds confidence to tackle both board and competitive exam questions efficiently.

Free Resources for Best Entry Test Preparation

Students can access free Physics Practice Test 3 to systematically improve knowledge, calculation speed, and problem-solving skills. This test is suitable for FSC Board Exams as well as major entry tests, helping students perform better in the physics section. PLS Academy provides these resources to support students in their preparation.

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