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 3 Class 11

A motion with increasing velocity can be represented on displacement-time graph by:

PMC Sample 1
Physics
Forces and Motion
Elimination Tool:

A) A horizontal line

B) A curve line with a decreasing gradient

C) A straight line with a constant gradient

D) A curve line with an increasing gradient

2 / 100

Category: Physics

Law of Conservation of Momentum states that total linear momentum of system remains constant if:

NUMS Mock 1
Physics
Forces and Motion

A) Balanced external forces are applied to a system

B) No external force is applied to a system

C) Only linear force is applied in a system is zero

D) Sum of external forces are applied to a system is zero

3 / 100

Category: Physics Ch 16 Class 12

Simple oscillating circuit consists of?

Inductor & Capacitor

Resistance & capacitor

Resistance & coil

Inductor and resistance

4 / 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:

A) 115√2 J

B) 215√2 J

C) 315√3 J

D) 415√2 J

5 / 100

Category: Physics Ch 4 Class 11

Minimum velocity needed to put the satellite into orbit is

7.9

5.6

6.2

None of these

6 / 100

Category: Physics Ch 19 Class 12

The charge of a photon is:

PMC Sample 1
Physics
Dawn of Modern Physics
Elimination Tool:

A) 0

B) Positive

C) Negative

D) Positive/negative

7 / 100

Category: Physics Ch 16 Class 12

In a bridge type full-wave rectifier, if Vm is the peak voltage across the secondary coil of the transformer, the maximum voltage coming across each reverse biased diode is:

PMC Practice 5
Physics
Alternating Current
Elimination Tool:

A) Vm

B) Vm/√2

C) 2Vm

D) Vm3

8 / 100

Category: Physics Ch 1 Class 11

What is 1 radian in degrees approximately

PMC Sample 3
Physics
Measurements
Elimination Tool:

A) 57.3 degrees

B) 360 degrees

C) π degrees

D) π^2 degrees

9 / 100

Category: Physics Ch 5 Class 11

A bomber drops a bomb when it is vertically above the target. It misses the target because of the:

NUMS 2014
Physics
Gravitation
Elimination Tool:

A) Vertical component of the velocity of bomber

B) Force of gravity

C) Acceleration of the bomber

D) Horizontal component of the velocity of bomber

10 / 100

Category: Physics Ch 16 Class 12

A circuit that adds positive or negative D.C. voltage to an input sine wave is called:

PMC Practice 4
Physics
Alternating Current
Elimination Tool:

A) Clamper

B) Clipper

C) Diode clamp

D) Limiter

11 / 100

Category: Physics Ch 13 Class 12

An emf of 120 volts of negligible internal resistance is connected across a resistance of 1000 ohm. The current flowing through the circuit will be:

NUMS 2015
Physics
Current Electricity
Elimination Tool:

A) 120 A

B) 120 x 103A

C) 120 x 10-3A

D) None

12 / 100

Category: Physics Ch 3 Class 11

The laws of motion show the relation between

Mass and acceleration

Mass and velocity

Mass and weight

Force and acceleration

13 / 100

Category: Physics Ch 4 Class 11

1 kilowatt hour =

NUMS 2020
Physics
Work, Power and Energy
Elimination Tool:

A) 1.6 x 10^-19 J

B) 3.6×10^6 J

C) 9.1 x 10^31J

D) 1.67x 10^-27 J

14 / 100

Category: Physics Ch 13 Class 12

Conductivity equals:

AR/L

1/AR

1/p

Both b and c

15 / 100

Category: Physics Ch 5 Class 11

What is the work done by a body moving with 1 m/s velocity in circular orbit of radius 10m?

100

Zero

16 / 100

Category: Physics

Q.132 The time taken by a particle to travel between a trough and a crest in a transverse wave is

A. T

B. T/2

C. 3T/4

D. T/4

17 / 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?

18 / 100

Category: Physics Ch 16 Class 12

What is the instantaneous power dissipated through a resistor of resistance 10 ohm if it is connected to an AC source of frequency 15 Hz at 1/180 sec if peak value is 20 V?

UHS 2018
Physics
Alternating Current
Elimination Tool:

A) 10 W

B) 100 W

C) 40 W

D) Cannot be determined

19 / 100

Category: Physics Ch 7 Class 11

In which of the following scenarios will the K.E be zero?

At maximum height when a ball is thrown upwards

At extreme position of a Simple Pendulum

At the amplitude of the Mass Spring System

All

20 / 100

Category: Physics

Q.112 A beam of electrons can

A. reflect

B. refract

C. both

D. none of these

21 / 100

Category: Physics

The entropy of the universe always:

NUMS Mock 3
Physics
Heat and Thermodynamics

A) Decreases

B) Increases

C) Remains the same

D) Both A and B ..

22 / 100

Category: Physics Ch 15 Class 12

The distance between two consecutive nodes is:

PMC 2021 Tested
Physics
Electromagnetic Waves
Elimination Tool:

A) Half a wavelength

B) Two wavelengths

C) One-fourth the wavelength

D) One wavelength

23 / 100

Category: Physics Ch 1 Class 11

Zeros are always considered significant when they are

In between non-zero digits

On left of non-zero digits

On right of non-zero digits

All of the above

24 / 100

Category: Physics

The energy supplied by the cell to the charge carriers is derived from the conversion of:

NUMS Mock 1
Physics
Current Electricity

A) Heat energy into chemical energy

B) Chemical energy Into electrical energy

C) Solar energy into electrical energy

D) Mechanical energy into electrical energy

25 / 100

Category: Physics Ch 8 Class 11

Blue colored source is seen Red if

Source is moving away from observer

Observer is moving away from source

Gamma rays' effect is observed

None of these

26 / 100

Category: Physics Ch 9 Class 11

Two glass prisms Pl and P2 are to be combined together to produce dispersion without deviation. The angle of the prisms P1 and P2 are selected as 40 and 30 respectively. If the refractive index of prism Pl is 1.54, then that of P2 will be:

NUMS 2014
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

A) 1.48

B) 1.58

C) 1.62

D) 1.72

27 / 100

Category: Physics Ch 13 Class 12

mho is the unit of 7

Resistance

Resistivity

Conductance

Conductivity

28 / 100

Category: Physics Ch 18 Class 12

If both inputs “A” and “B” are ON and the output is also ON. This type of gate is known as:

NUMS 2017
Physics
Electronics
Elimination Tool:

A) OR Gate

B) AND Gate

C) NAND Gate

D) NOR Gate

29 / 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

30 / 100

Category: Physics Ch 12 Class 12

Unit of electric field is:

N/C

Weber/sec

Volt/C

Joule/sec

31 / 100

Category: Physics Ch 3 Class 11

Which of the following is the angle of projection of a projectile if its range is equal to its height?

NUMS 2020
Physics
Forces and Motion
Elimination Tool:

A) 48

B) 60

C) 90

D) 76

32 / 100

Category: Physics

The speed of the sound in air is 332 m/s. The speed of sound at 22 degrees centigrade will be:

NUMS Mock 4
Physics
Wave Motion and Sound

A) 345.2 m/s

B) 340 m/s

C) 350 m/s

D) 330 m/s

33 / 100

Category: Physics Ch 16 Class 12

The number of diodes in bridge rectifier is

PMC Sample 3
Physics
Alternating Current
Elimination Tool:

A) 4

B) 3

C) 2

D) 5

34 / 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:

A) L = 200 cm, d = 0.5 mm

B) L=300cm, 1.0 mm

C) L=50cm, d=0.05mm

D) L- 100 cm, d=0.2mm

35 / 100

Category: Physics Ch 13 Class 12

What is the constant of proportionality in ohms law:

1/R

36 / 100

Category: Physics Ch 2 Class 11

{j * j}.i

-1

37 / 100

Category: Physics Ch 8 Class 11

In a ripple tank, 40 waves pass through a certain point in 1 second. If the wavelength of the wave is 5 cm, then speed of the wave is:

PMC 2020
Physics
Wave Motion and Sound
Elimination Tool:

A) 0.5 ms-1

B) 1 ms-1

C) 1.5 ms-1

D) 2 ms-1

38 / 100

Category: Physics Ch 10 Class 11

If a single convex lens is placed close to the eye, it can be used as a

telescope

simple microscope

compound microscope

refracting telescope

39 / 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?

NUMS 2015
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

A) 0.03 V

B) 0.3 V

C) 0.6 V

D) 10 V

40 / 100

Category: Physics

Which is most sensitive to human eye?

Red

Blue

Green

Yellow

41 / 100

Category: Physics Ch 18 Class 12

The basic purpose of filter is to?

PMC Practice 1
Physics
Electronics
Elimination Tool:

A) Minimize variation in ac signal

B) Suppress hannonics in rectified output

C) Remove ripples from the rectified output

D) Stabilize dc output voltage

42 / 100

Category: Physics

If the speed of waves is 10m/sec and its frequency is 5Hz. Find its wavelength.

NUMS Mock 3
Physics
Wave Motion and Sound

A) 1

B) 2

C) 4

D) 6

43 / 100

Category: Physics Ch 4 Class 11

A stone dropped from the roof of a building takes 4 s to reach the ground. The height of the building is:

NUMS 2017
Physics
Motion in Two Dimensions
Elimination Tool:

A) 9.8 m

B) 19.6 m

C) 39.2 m

D) 78.4 m

44 / 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

45 / 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

46 / 100

Category: Physics

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

NUMS Mock 1
Physics
Oscillations and Simple Harmonic Motion

A) Strain

B) Stress

C) Elasticity

D) Equilibrium

47 / 100

Category: Physics Ch 15 Class 12

Choose the correct arrangement of the various regions of the electromagnetic spectrum in terms of wave length.

ETEA 2017
Physics
Electromagnetic Waves
Elimination Tool:

A) Ir>uv> visible > microwave > radio frequency

B) Microwave >ir> visible >uv> radio frequency

C) Radio frequency > microwave >ir> visible >uv

D) Visible >ir>uv> microwave > radio wave

48 / 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:

A) A/3

B) 3π

C) 3 / 4λ A

D) 2 / 3 (πA)

49 / 100

Category: Physics Ch 13 Class 12

A battery has an e.m.f. of 4 V and internal resistance ‘r’. When this battery is connected to an internal resistance of 2 ohms, a current of 1 amp flows in the circuit. How much current will flow if the terminals of the battery are connected directly:-

NTS 2010
Physics
Current Electricity
Elimination Tool:

A) 1 A

B) 2 A

C) 4 A

D) 6 A

50 / 100

Category: Physics Ch 20 Class 12

Energy of the 4th orbit in a hydrogen atom is:

PMC Sample 1
Physics
Atomic Spectra
Elimination Tool:

A) -2.51 eV

B) -3.50 eV

C) -13.6 eV

D) -0.85 eV

51 / 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:

A) v

B) Square root of v

C) 1/square root of v

D) v2

52 / 100

Category: Physics Ch 10 Class 11

Coherent source of light means?

PMC Practice 3
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

A) Multiple wavelengths

B) Double wavelength

C) Single wavelength

D) Coherent photons

53 / 100

Category: Physics Ch 12 Class 12

A 2uF capacitor is connected to a 10 V dc supply, if ‘Q’ represents the charge on each plate and ‘E’ the energy stored on each plate, which of the following represents the values of Q and E?

NUMS 2019 Cancelled
Physics
Electrostatics
Elimination Tool:

A) Q = 20 uC and E = 50 ueV

B) Q = 10 uC and E = 100 eV

C) Q = 10 uC and E = 500 eV

D) Q = 20 uC and E = 100 uJ

54 / 100

Category: Physics Ch 12 Class 12

The values of electric intensity will ____ due to the presence of dielectric medium:

PMC 2020
Physics
Electrostatics
Elimination Tool:

A) Increase

B) Increase exponentially

C) Decrease

D) Remain same

55 / 100

Category: Physics Ch 4 Class 11

Energy consumed by 60 watt bulb in 2 minutes is equal to:

UHS 2018
Physics
Work, Power and Energy
Elimination Tool:

A) 7.2 kilo joules

B) 720 joules

C) 120 joules

D) 72000 joules

56 / 100

Category: Physics Ch 5 Class 11

When the aircraft Concorde is moving in a horizontal plane at a constant speed of 650 ms-1, its turning circle has a radius of 80 km. What is the ratio of the centripetal force to the weight of the aircraft? (g = 9.8 m/s2)

NTS 2013
Physics
Circular Motion and Momentum
Elimination Tool:

A) 8.3 x 10^4

B) 0.54

C) 1.9

D) 52

57 / 100

Category: Physics Ch 2 Class 11

Rain is vertically downwards with the velocity of 30m/s , a wind blows from north to south direction with 10m/s then at what angle should the umbrella of the person be held and in which

Tan^-1 (1/3) vertical towards north

Tan^-1 (1/3) vertical towards south

Co^-1 (1/3) vertical towards north

Cos^-1 (1/3) vertical towards south

58 / 100

Category: Physics Ch 3 Class 11

At what angle is the range of projectile the maximum?

None

59 / 100

Category: Physics Ch 13 Class 12

Which of the following work (s) on the principle of wheatstone Bridge?

NTS 2011
Physics
Current Electricity
Elimination Tool:

A) slide-wire bridge

B) meter-bridge

C) post office box

D) all of these

60 / 100

Category: Physics

A nucleus consists of 11 protons and 12 neutrons. The conventional symbol of nucleus is:

NUMS Mock 3
Physics
Nuclear Physics

A) 11Na12

B) 11Ca23

C) 11Na23

D) 11Ca12

61 / 100

Category: Physics Ch 15 Class 12

Which of the following is not E.M wave?

ETEA 2019
Physics
Electromagnetic Waves
Elimination Tool:

A) Radio waves

B) X-rays

C) Light waves

D) Sound waves

62 / 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

63 / 100

Category: Physics Ch 19 Class 12

Scattering of photon by electron is termed as:

Photoelectric effect

Pair production

Annihilation

Compton effect

64 / 100

Category: Physics Ch 13 Class 12

A and B are bulbs connected in series with 40-volt battery and a bulb C is connected with 40-volt battery Glow of bulbs will be:

Same glow In all 3 bulbs

Same glow in bulbs A and B but different in bulb C

Different glow In all 3 bulbs

None of these

65 / 100

Category: Physics Ch 19 Class 12

Which of the following Is correct?

Only I Is correct

Only II Is correct

Both are correct

None of these

66 / 100

Category: Physics Ch 5 Class 11

the period of rotation of geosynchronous satellite is

1 day

1 month

1 year

1.5 year

67 / 100

Category: Physics Ch 8 Class 11

A special class of waves that does not need a material medium for their propagation are called

NTS 2013
Physics
Wave Motion and Sound
Elimination Tool:

A) Electric waves

B) Magnetic waves

C) Electromagnetic waves

D) Sound waves

68 / 100

Category: Physics Ch 11 Class 11

Absolute zero is equivalent to:

NUMS 2019 Cancelled
Physics
Heat and Thermodynamics
Elimination Tool:

A) 0K

B) -273 C

C) -459.4 F

D) All of these

69 / 100

Category: Physics Ch 18 Class 12

The ripple factor of half-wave rectifier is?

PMC Practice 14
Physics
Electronics
Elimination Tool:

A) 1.21.

B) 0.8.

C) 0.6.

D) 0.4.

70 / 100

Category: Physics Ch 7 Class 11

A pendulum is placed at Lahore, Murree, and K2. At which location will the frequency of Pendulum be maximum?

Lahore

Same frequency at all locations

Murree

71 / 100

Category: Physics Ch 10 Class 11

In Young’s double-slit experiment, if d is the separation between two slits 1 is the wavelength of light and θ is the angle of the line from the centre of slits to the point of observation on the screen; then for maxima (bright fringe); the formula is _________.

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

A) 2d sinθ = mλ ; m = 0 .. 2, …

B) dsinθ = mλ ; m = 0, 1, 2, …

C) .sin θ = (m + ½) λ ; m = 0, 1, 2, …..

D) 2msinθ = dλ ; m = 0, 1, 2, ….

72 / 100

Category: Physics

Q.140 A magnetic field exists around

A. Iron

B. Copper

C. Aluminium

D. Moving charges

73 / 100

Category: Physics Ch 5 Class 11

The centripetal acceleration is maximum when radius r is:

PMC Sample 1
Physics
Circular Motion and Momentum
Elimination Tool:

A) Increasing

B) Decreasing

C) Constant

D) None of these options are correct

74 / 100

Category: Physics

A stone of mass 2.0 kg is dropped from a rest position 5.0 m above the ground. What is its velocity at a height of 3.0 m above the ground?

NUMS Mock 1
Physics
Forces and Motion

A) 12.5 m/s

B) 6.3m/s

C) 9.3 m/s

D) 16.0 m/s

75 / 100

Category: Physics Ch 11 Class 11

For one mole of gas, the relation for specific heat capacity at constant pressure ‘Cp’ and at constant volume ‘Cv’ is ________.

NUMS 2019 Reconduct
Physics
Heat and Thermodynamics
Elimination Tool:

A) Cp + Cv = R

B) Cp – R = Cv

C) Cv – R = Cp

D) Cp + R = Cv

76 / 100

Category: Physics Ch 17 Class 12

A wire is stretched by a force which causes an extension. The energy is stored in it only when:

UHS 2011
Physics
Physics of Solids
Elimination Tool:

A) The extension of wire is proportional to force applied

B) The cross-section area of the wire remains constant

C) The wire is not stretched beyond its elastic limit

D) The weight of wire is negligible

77 / 100

Category: Physics Ch 4 Class 11

A neutron travels a distance of 24 m in a time interval of 3.6 x 10^-4 s. Assuming its speed was constant. Find its kinetic energy. Take 1.7 x 10^-27 kg as the mass of the neutron.

NTS 2016 SMBBMC
Physics
Work, Power and Energy
Elimination Tool:

A) 37.702 x 10^-19 joule

B) 27.702 x 10^-19 joule

C) 17.70 x 10^-19 joule

D) 07.702 x 10^-29 joule

78 / 100

Category: Physics

Identify the postulate(s) which help to formulate a mathematical model of gases.

I. A finite volume of gas consists of very large number of molecules

II. The size of the molecules is much smaller than the separation between molecules

III. Molecules do not exert force on each other except during a collision.

NUMS Mock 2
Physics
Heat and Thermodynamics

B) II only

C) III only

D) I & II only

E) I, II & III

79 / 100

Category: Physics

A ship approaching a seaport at 10 km/h sends a sonic signal of frequency of 1000 Hz. What is the apparent frequency of the signal as received by a receiver on the seaport?

NUMS Mock 4
Physics
Wave Motion and Sound

A) 984 Hz

B) 1000 Hz

C) 1008 Hz

D) 1210 Hz

80 / 100

Category: Physics Ch 12 Class 12

Electric potential is a quantity.

Scalar

Vector

Basic

None of these

81 / 100

Category: Physics

Q.137 Acceleration in the Simple pendulum is always to displacement

A. Inversely proportional

B. Directly proportional

C. Acting negative

D. Independent

82 / 100

Category: Physics Ch 17 Class 12

A wire is stretched by a force ‘F’ which causes an extension ∆l, the energy stored in the wire is:

UHS 2012
Physics
Physics of Solids
Elimination Tool:

A) F∆l

B) 2F∆l

C) ½ F∆l2

D) ½ F∆l

83 / 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

84 / 100

Category: Physics Ch 2 Class 11

Evaluate the scalar product of the following: k.( i + j) ?

NTS 2015 SMBBMC
Physics
Scalars and Vectors
Elimination Tool:

A) 0

B) 45

C) 90

D) 180

85 / 100

Category: Physics Ch 14 Class 12

A force which is experienced in a magnetic field depends on:

NTS 2011
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

A) magnitude of charge

B) speed of the moving charge V

C) magnitude field of induction B

D) all of these

86 / 100

Category: Physics Ch 20 Class 12

If the wavelength of K X-ray from Cu is 1.337 x 10-10m, then the energy difference between two levels from which transition results will be:

NUMS 2019 Cancelled
Physics
Atomic Spectra
Elimination Tool:

B) 9.90 KeV

C) 90.3 KeV

D) 8.03 KeV

E) 93.8 KeV

87 / 100

Category: Physics Ch 3 Class 11

A ball falls vertically and bounces on the ground. The following statements are about the forces acting while the ball is in contact with the ground. Which statement is correct?

NTS 2017
Physics
Forces and Motion
Elimination Tool:

A) The force that the ball exerts on the ground is always equal to the weight of the ball.

B) The force that the ball exerts on the ground is always equal in magnitude and opposite in direction to the force the ground exerts on the ball.

C) The force that the ball exerts on the ground is always greater than the weight of the ball.

D) The weight of the ball is always equal and opposite to the force that the ground exerts on the ball.

88 / 100

Category: Physics Ch 20 Class 12

The atomic spectra deals with the measurement of?

NTS 2014
Physics
Atomic Spectra
Elimination Tool:

B) Intensities of electromagnetic radiations emitted by atoms

C) Intensities of electromagnetic radiations absorbed by atoms

A) Wavelengths

D) All of these options

89 / 100

Category: Physics Ch 19 Class 12

Candela is the luminous intensity, in the perpendicular direction of a surface _________ square meter of a black body at the temperature of freezing platinum under a pressure of 101325 newtons per square meter.

NTS 2013
Physics
Dawn of Modern Physics
Elimination Tool:

A) 1/300000

B) 1/600000

C) 1/900000

D) 1/1200000

90 / 100

Category: Physics

Q.168 As a result of interference, energy

A. Is transmitted and retlected

B.. Is lost

C.Remains unchanged as a whole but is redistributed

D. Is gained

91 / 100

Category: Physics Ch 8 Class 11

Which one of the following properties is not exhibited by the longitudinal waves?

PMC 2020
Physics
Wave Motion and Sound
Elimination Tool:

A) Interference

B) Reflection

C) Diffraction

D) Polarization

92 / 100

Category: Physics Ch 7 Class 11

Beats can be used to find:

PMC Practice 1
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

A) Speed

B) Frequency

C) Amplitude

D) Wavelength

93 / 100

Category: Physics Ch 4 Class 11

If a car moves from 15 m/s to 5 m/s in 10 sec then average acceleration is

PMC Sample 3
Physics
Motion in Two Dimensions
Elimination Tool:

A) 1 m/s^2

B) 2m/s^2

C) 5 m/s^2

D) 10m/s^2

94 / 100

Category: Physics Ch 13 Class 12

The change in resistance of metallic conductor at temperature below 0 degrees is:

PMC 2020
Physics
Current Electricity
Elimination Tool:

A) Non-linear

B) Curve

C) Linear

D) Curvilinear

95 / 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

96 / 100

Category: Physics

The different magnitudes of same physical quantities are measured by comparing them to:

NUMS Mock 1
Physics
Measurements

A) Available scale

B) Standard size

C) Each other

D) Other physical quantities

97 / 100

Category: Physics

Q.97 Which statement is in correct?

A. In a isobaric process )P-O

B. In a isochoric process )W=0

C. In a isothermal process )T=0

D. In a isothermal process )Q=0

98 / 100

Category: Physics

Q.96 Frequency of a travelling wave is 2000 Hz. Its speed is 300m/s. What is its wavelength?

A. 20/3 m

B. 20 x 3 m

C. 3/20 m

D. 2/3 m

99 / 100

Category: Physics

Q.161 The absorption spectrum of galaxy is measured and wavelength of one of the lines identified as the calcium a line is found to be 478 nm. The same line has wavelength of 397 nm when measured in the laboratory. The apparent frequency of light from the galaxy is

A. More than actual frequency

B. Equal to actual frequency

C. Less than actual frequency

D. None of these

100 / 100

Category: Physics Ch 21 Class 12

If u and d represent up quark and down quark respectively then composition of Proton and Neutron can be written as:

NUMS 2019 Cancelled
Physics
Nuclear Physics
Elimination Tool:

A) Proton: 1u + 1d, Neutron: 2u + 1d

B) Proton: 2u + 2d, Neutron: 2u + 1d

C) Proton: 2u + 1d, Neutron: 1u + 2d

D) Proton: 1/3 u + 2/3 d, Neutron: 2/3 u + 1/3 d

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.

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