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 7 Class 11

According to hooke’s law:

F=-kx

F=kx

F=k/x

F=-k/x

2 / 100

Category: Physics Ch 4 Class 11

Two bodies X of mass 4kg and Y of mass 6 kg have same linear momentum. If the kinetic energy of Y is 48 J then kinetic energy of body X is:

48 J

64 J

72 J

96 J

3 / 100

Category: Physics Ch 2 Class 11

A vector having magnitude equal to one is called

Position vector

Unit vector

Null vector

None of these

4 / 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

5 / 100

Category: Physics Ch 14 Class 12

EEG is related to:

Heart

Brain

Both a and b

None of the above

6 / 100

Category: Physics Ch 14 Class 12

How fast an H+ ion should move in magnetic field 2.5×10-3 T such that magnetic force equal its weight?

NUMS 2016
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

A) 6 x 10-5 m/s

B) 4.5 x 10-5 m/s

C) 3.3 x 10-6 m/s

D) 4 x 10-5 m/s

7 / 100

Category: Physics Ch 11 Class 11

Conversion of heat energy completely into work violates:

NUMS 2014
Physics
Heat and Thermodynamics
Elimination Tool:

A) Zeroth law of thermodynamics

B) 1st law of thermodynamics

C) 2nd law of thermodynamics

D) 1st and 2nd law of thermodynamics

8 / 100

Category: Physics Ch 12 Class 12

Energy required to charge a capacitor of 5 micro farad by connecting D.0 source of 20 KV is a) 10kJ b) 5k1 c) 21:.1 d) 11(1

10kJ

5kJ

2kJ

1kJ

9 / 100

Category: Physics Ch 3 Class 11

A ball is thrown from some height; it strikes the ground and bounces back to the same height. This scenario represents which situation:

Perfectly elastic

Elastic

Perfectly Inelastic

Inelastic

10 / 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

11 / 100

Category: Physics Ch 6 Class 11

Density of blood is:

NUMS 2016
Physics
Fluid Dynamics
Elimination Tool:

A) More than water

B) less than that of water

C) Nearly equal to water

D) 3 times greater than water

12 / 100

Category: Physics Ch 2 Class 11

The scalar product of (2i – j + 3k) . (31 + 2j – k) i?

NTS 2014
Physics
Scalars and Vectors
Elimination Tool:

A) 1

B) 2

C) 10

D) 20

13 / 100

Category: Physics

Two point charges of +5 C and -12 C attract each other with a force of 1.48 N. charge of -5 C is added to each of these charges. Now the force will be:

NUMS Mock 4
Physics
Magnetism and Electromagnetic Induction

A) 1.48 N (attractive)

B) 1.48 N (repulsive)

C) 2.96 (repulsive)

D) Zero

14 / 100

Category: Physics

Q.118 If the clouds of earth behaves like a black body what will happen

A. no light will reach on surface

B. extra light will reach the surface

C. nothing will happen

D. some will reflect some will absorbed

15 / 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:

A) Directly proportional ; maximum position

B) Inversely proportional ; maximum position

C) Directly proportional ; mean position

D) Directly proportional ; minimum position

16 / 100

Category: Physics Ch 21 Class 12

There are leptons

17 / 100

Category: Physics Ch 9 Class 11

A mixture of electric fields and magnetic fields is?

Plane polarized light

Circular polarized light

Unpolarized light

Constant

18 / 100

Category: Physics Ch 11 Class 11

22320 cal heat is supplied to 100g of ice at zero degree centigrade. If the latent heat of fusion of ice is 80 cal /g and latent heat of vaporization of water is 540 cal/g the final amount of water thus obtained and its temperature respectively are:

NUMS 2014
Physics
Heat and Thermodynamics
Elimination Tool:

A) 8 g and 100 degrees centigrade

B) 100 g and 90 degrees centigrade

C) 92 g and 100 degrees centigrade

D) 82g and 100 degrees centigrade

19 / 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

20 / 100

Category: Physics Ch 10 Class 11

least distance of distinct vision

increases with increase in age

decrease with increaser in age

neither increases nor decreases

d. becomes infinite after 60 years

21 / 100

Category: Physics Ch 15 Class 12

The region that lies between IR and UV regions is called:

PMC 2021 Tested
Physics
Electromagnetic Waves
Elimination Tool:

A) Radio waves

B) None of these

C) X ray region

D) Visible light

22 / 100

Category: Physics Ch 5 Class 11

A body moving with an angular velocity of 1 rev/sec has a frequency of:

0.5 Hz

2 Hz

1 Hz

None of these

23 / 100

Category: Physics Ch 11 Class 11

The efficiency of the carnot’s Engine Working between 150°C and 50°C is:

NTS 2011
Physics
Heat and Thermodynamics
Elimination Tool:

A) 22.3%

B) 20.0%

C) 23.6%

D) 30.6%

24 / 100

Category: Physics Ch 21 Class 12

Which of the following radiation detector operates under Reverse Bias?

GM counter

Wilson Cloud Chamber

Solid state detector

Both a and c

25 / 100

Category: Physics Ch 3 Class 11

Unit of Momentum Is?

kg/s

kgms

kgm/s

None

26 / 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

27 / 100

Category: Physics Ch 20 Class 12

Energy difference in balmer series for longest wavelength is

PMC Sample 3
Physics
Atomic Spectra
Elimination Tool:

A) 1.89 eV

B) 2.9eV

C) 5.6eV

D) 7.8 eV

28 / 100

Category: Physics Ch 17 Class 12

A wire of area of cross section ‘A’ and original length ‘l’ is subjected to a load
‘L’. A second wire of the same material with an area is ‘2A’ and length ‘2l’ is
subjected to the same load ‘L’. If the extension in the first wire is ‘X’ and the second
wire is ‘Y’, find the ratio ‘X/Y’.

UHS 2015
Physics
Physics of Solids
Elimination Tool:

A) 14

B) 12

C) 11

D) 21

29 / 100

Category: Physics Ch 16 Class 12

The principle of an AC generator is.

NTS 2019
Physics
Alternating Current
Elimination Tool:

A) Lenz's law

B) Faraday's Law

C) Self-induction

D) Ampere's law

30 / 100

Category: Physics Ch 4 Class 11

.A stone dropped from a certain height can reach the ground in 5 s. It is stopped after 3 seconds of its fall and then allowed to fall again. Find the time taken by the stone to reach the ground for the remaining distance.

NTS 2014
Physics
Motion in Two Dimensions
Elimination Tool:

A) 2 s

B) 4 s

C) 6 s

D) 8 s

31 / 100

Category: Physics

Q.135 Initially, when the capacitor is uncharged, the potential difference between plates is

A. Infinite

B. Zero

D. Minimum

Maximum

32 / 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:

A) 0.03 V

B) 0.3 V

C) 0.6 V

D) 10 V

33 / 100

Category: Physics Ch 15 Class 12

Which of the following does not travel in vacuum?

PMC 2021 Tested
Physics
Electromagnetic Waves
Elimination Tool:

A) Transverse waves

B) Radio waves

C) Sound waves

D) Light rays

34 / 100

Category: Physics

Q.84 A loop of radius 1 m is placed on a inclined of 60 degree with the magnetic field of 100T, corresponding flux will be

A. 314 wb

B. 107 w

C. 157 wb

D. 435 wb

35 / 100

Category: Physics Ch 4 Class 11

A body of mass m moving with velocity v has a kinetic energy. If its velocity is increased 25%. what will be the new K.E?

25/16 K

23/34 K

12/45 K

34/58 K

36 / 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

37 / 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:

A) Longitudinal wave

B) Stationary wave

C) Superimposed wave

D) Transverse wave

38 / 100

Category: Physics Ch 17 Class 12

When an applied stress changes the volume, the change in volume per unit volume is known as:

NUMS 2018
Physics
Physics of Solids
Elimination Tool:

A) Polymetric strain

B) Crystalline strain

C) Volumetric strain

D) Equal strain

39 / 100

Category: Physics

A mass of 20 kg is lifted from the floor to a height of 2m in 4.9 sec. Calculate the power in Watts.

NUMS Mock 1
Physics
Work, Power and Energy

A) 60 W

B) 80 W

C) 100 W

D) 120 W

40 / 100

Category: Physics

An object is moving along a circular path of radius 4m. What will be its angular displacement if it moves 14 m on this circular path?

NUMS Mock 2
Physics
Circular Motion and Momentum

A) 5.0 radians

B) 3.5 radians

C) 4.5 radians

D) 5.5 radians

41 / 100

Category: Physics Ch 5 Class 11

When brakes of a car are applied, angular velocity of a flywheel reduces from 900 cycle / min to 720 cycle / min in 6 sec. Angular retardation is:

NUMS 2015
Physics
Circular Motion and Momentum
Elimination Tool:

A) ? rad/s2

B) 9 ? rad/s2

C) 8 ? rad/s2

D) ⅔ ?rad / s2

42 / 100

Category: Physics

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

NUMS Mock 1
Physics
Forces and Motion

A) 48

B) 60

C) 90

D) 76

43 / 100

Category: Physics Ch 13 Class 12

Unit of emf?

Volts

Henry

Watt

Ampere

44 / 100

Category: Physics Ch 21 Class 12

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

NTS 2011
Physics
Nuclear Physics
Elimination Tool:

A) 11Na12

B) 11Ca23

C) 11Na23

D) 11Ca12

45 / 100

Category: Physics

Q.95 The open-circuit test in a transformer is used to measure

A. Copper loss

B. winding loss

C. Total loss

D. core loss

46 / 100

Category: Physics Ch 9 Class 11

How can we define linear magnification produced by a lens?

NTS 2015 SMBBMC
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

A) The ratio of the object distance to the image distance

B) The ratio of the image distance to the focal length

C) the ratio of the size of the object to the size of the image

D) the ratio of the size of the image to the size of the object

47 / 100

Category: Physics Ch 14 Class 12

Unit of Magnetic Flux is

Weber

Tesla

Volt

Weber/m

48 / 100

Category: Physics Ch 13 Class 12

How much energy is dissipated as heat in 20 s by a 100 Ω resistor that carries a current of 0.5 A?

NTS 2014
Physics
Current Electricity
Elimination Tool:

A) 50 J

B) 100 J

C) 250 J

D) 500 J

49 / 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

50 / 100

Category: Physics Ch 16 Class 12

Impedance of a circuit Is calculated as:

Vrms/Irms

Irms/Vrms

IrmsVrms

Vrms/R

51 / 100

Category: Physics Ch 7 Class 11

If length of a pendulum is 4 times g,.its time period will be:

4π

2π

π/2

52 / 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

53 / 100

Category: Physics Ch 15 Class 12

potential difference in charge between two points in a circuit is known as?

Emf

Electric difference

Intensity

Volt

54 / 100

Category: Physics Ch 2 Class 11

Which unit is used in the measurement of Displacement?

PMC Practice 4
Physics
Scalars and Vectors
Elimination Tool:

A) m

B) m/s

C) 1/s

D) N

55 / 100

Category: Physics

Center of gravity of a cup Iles

At the handle of cup

In space Inside the cup

Outside cup d)

On the surface of cup

56 / 100

Category: Physics Ch 8 Class 11

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

PMC Sample 1
Physics
Wave Motion and Sound
Elimination Tool:

A) 20/3 m

B) 20×3 m

C) 3/20 m

D) 2/3 m

57 / 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?

0.25 K

Zero

2.5 K

0.56 K

58 / 100

Category: Physics Ch 8 Class 11

Astronomers calculate speed of distant stars and galaxies using which of the following phenomena:

PMC 2020
Physics
Wave Motion and Sound
Elimination Tool:

A) Beats

B) Interference

C) Superposition principle

D) Doppler effect

59 / 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

60 / 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

61 / 100

Category: Physics Ch 13 Class 12

The domestic electricity supply has a frequency of:

PMC 2020
Physics
Current Electricity
Elimination Tool:

A) 150 Hz

B) 100 Hz

C) 50 Hz

D) 25 Hz

62 / 100

Category: Physics

Q.169 A metallic sphere of diameter 30 cm, carries a charge of 600 mC. Find electric field intensity at surface of sphere?

A. 54 × 103NC–1

B. 54 × 107NC–1

C. 13.5 × 103NC–1

D. 2.4 × 108NC–1

63 / 100

Category: Physics Ch 14 Class 12

Transformer is a device which steps up or steps down the input:

PMC 2020
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

A) Current

B) Voltage

C) Energy

D) Power

64 / 100

Category: Physics Ch 5 Class 11

Angular velocity is measured in

rad/min

m/s

angle/s

None of the above

65 / 100

Category: Physics

When a potential difference is applied across the ends of a uniform wire of length l and radius r, a current I flows in the wire. If same potential difference is applied to the ends of another wire of the same material but of length 2l and radius 2r, the current in the wire is:

NUMS Mock 4
Physics
Current Electricity

A) I/4

B) 2I

C) I

D) I/2

66 / 100

Category: Physics Ch 19 Class 12

Fluorescence is produced when cathode rays strike on:

PMC 2021 Tested
Physics
Dawn of Modern Physics
Elimination Tool:

A) Fe

B) MgO

C) I

D) ZnS

67 / 100

Category: Physics Ch 19 Class 12

Heisenberg uncertainty principle states:

Position & Momentum of a particle can be accurately measured simultaneously

Position & Momentum of a particle can be accurately measured simultaneously only under certain condition

Position & Velocity of a particle can be accurately measured simultaneously

Position & Momentum of a particle cannot be accurately measured simultaneously

68 / 100

Category: Physics Ch 12 Class 12

If a body A is charged with charge q, and is touched with neutral body B and then with neutral body C. What will be the charge on C after the contact?

q/2

q/3

q/4

69 / 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:

A) At an angle of 180 degrees with the galvanometer

B) Parallel with galvanometer

C) At an angle of 45 degrees With the galvanometer

D) Perpendicular with the galvanometer

70 / 100

Category: Physics

A disc, a hoop, and a sphere of the same mass and radius are rolled down from a frictionless, inclined plane. Which has a greater speed on reaching the ground?

NUMS Mock 3
Physics
Circular Motion and Momentum

A) Disc

B) Loop

C) Sphere

D) All have the same speed

71 / 100

Category: Physics Ch 11 Class 11

A frictional piston-cylinder based enclosure contains some amount of gas at a pressure of 400k Pa. Then heat is pressure in a quasi-static process. The piston moves up slowly through a height of 10cm. lf the piston has across section area of 0.3m2,the work done by the gas in the process is:

NUMS 2014
Physics
Heat and Thermodynamics
Elimination Tool:

A) 6kj

B) 12kj

C) 75kj

D) 24kj

72 / 100

Category: Physics Ch 20 Class 12

If a proton, alpha particle, and photon moving with the same velocity enter a uniform magnetic field, then which particle will deflect more?

PMC Practice 3
Physics
Atomic Spectra
Elimination Tool:

A) Proton

B) Alpha particle

C) Photon

D) All of these options are correct

73 / 100

Category: Physics Ch 21 Class 12

An alpha particle is ejected from the nucleus of an atom. Which of the following answers describes the change in the nucleus of the atom?

NUMS 2014
Physics
Nuclear Physics
Elimination Tool:

B) The atomic number increases by 1, and the mass number decreases by 4.

C) The atomic number increases by 1, and the mass number increases by 2.

D) The atomic number increases by 2, and the mass number increases by 4.

E) The atomic number decreases by 2, and the mass number decreases by 4.

74 / 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

75 / 100

Category: Physics Ch 10 Class 11

A double convex lens acts as a diverging lens when the object is placed

at the focus

at 2f

between f and 2f

within the focal length

76 / 100

Category: Physics Ch 11 Class 11

As a result of the natural process the entropy

Increases

Remains Same

Decreases

Either a or c

77 / 100

Category: Physics Ch 11 Class 11

Kelvin, is the unit of thermodynamic temperature, which is ________ of the thermodynamic temperature of the triple point of water.

NTS 2015 DUHS and JSMU
Physics
Heat and Thermodynamics
Elimination Tool:

A) 1/100.6

B) 1/273.16

C) 1/32.6

D) 1/241.6

78 / 100

Category: Physics

The electron current is chiefly due to:

NUMS Mock 4
Physics
Wave Motion and Sound

A) Cathode

B) Grid

C) Anode getter

D) Screen

79 / 100

Category: Physics

Is it possible to separate north pole only from bar magnet?

NUMS Mock 4
Physics
Magnetism and Electromagnetic Induction

A) Yes

B) No

C) In some cases it is possible

D) None of these

80 / 100

Category: Physics Ch 2 Class 11

The cross product of three unit vectors (i, j, k) equals

-1

infinity

81 / 100

Category: Physics Ch 7 Class 11

If f1 and f2 are frequencies of two tuning forks, such that f1 < f2, then number of beats produced in one second are: PMC Sample 2 Physics Oscillations and Simple Harmonic Motion Elimination Tool:

A) f2 – f1

B) f2 x f1

C) f1 – f2

D) f2 + f1

82 / 100

Category: Physics Ch 5 Class 11

When speed is doubled the centripetal force will be?

Same

Doubled

Tripled

Quadrupled

83 / 100

Category: Physics

Refrigerator is an example of:

NUMS Mock 4
Physics
Heat and Thermodynamics

A) First law of thermodynamics

B) Second law of thermodynamics

C) Newton law of motion

D) Entropy

84 / 100

Category: Physics Ch 15 Class 12

Applications of laser is/are:

NTS 2011
Physics
Electromagnetic Waves
Elimination Tool:

A) to perform precision surveying and length measurements

B) as a potential energy source for including nuclear fusion reactions

C) for telephone communications along optical fibers

D) for precision cutting of metals and other materials

E) all of these

85 / 100

Category: Physics Ch 5 Class 11

What is angular velocity?

PMC Sample 1
Physics
Circular Motion and Momentum
Elimination Tool:

A) Change in angular rotation / change in time

B) Change in displacement / change in time

C) Change in speed / change in time

D) Change in acceleration / change in time

86 / 100

Category: Physics Ch 3 Class 11

Third law of Newton is also called:

NUMS 2016
Physics
Forces and Motion
Elimination Tool:

A) Law of Inertia

B) Equilibrium

C) Law of action and reaction

D) None

87 / 100

Category: Physics Ch 10 Class 11

In multimode step index fibre the refractive index of core and cladding is

Same

Different

Zero

Different with refractive index of core higher than cladding

88 / 100

Category: Physics Ch 6 Class 11

S.I. Unit of rate of flow of a fluid :

NUMS 2018
Physics
Fluid Dynamics
Elimination Tool:

A) Meter / sec

B) Meter2/ sec

C) Meter3/ sec

D) Meter2/ sec2

89 / 100

Category: Physics Ch 4 Class 11

Which is the unit of energy

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

A) joule

B) erg

C) kWh

D) all of these

90 / 100

Category: Physics Ch 1 Class 11

Name the quantity which can be measured by using the base unit kgm2s-3

UHS 2013
Physics
Measurements
Elimination Tool:

A) Weight

B) Pressure

C) Power

D) Work

91 / 100

Category: Physics Ch 13 Class 12

Value of resistivity of iron Is

10.52 x 10 -8

5.00 x 10 -8

11.00 x 10 -8

100 x 10 -8

92 / 100

Category: Physics Ch 9 Class 11

If an Electromagnetic wave is plane polarized, then the direction of electric field and magnetic field will be

Perpendicular

Parallel

Along direction of propagation of wave

None of these

93 / 100

Category: Physics Ch 4 Class 11

If a force of 1 N acts on a body through a distance of 1 m in the direction of force, how much
work is done?

1 J

– 1 J

0 J

Either a or b

94 / 100

Category: Physics Ch 1 Class 11

The dimensional formula for change in momentum is same as that for:

ETEA 2018
Physics
Measurements
Elimination Tool:

A) Force

B) Impulse

C) Acceleration

D) Velocity

95 / 100

Category: Physics Ch 5 Class 11

Two spherical balls of 2.0 kg and 3.0 kg masses are moving towards each other with velocities of 6 m/s and 4 m/s respectively. What must be the velocity of the smaller ball after the collision, if the velocity of the bigger ball is 3 m/s?

NTS 2015 DUHS and JSMU
Physics
Circular Motion and Momentum
Elimination Tool:

A) 1.5 m/s

B) 2.5 m/s

C) 3.5 m/s

D) 4.5 m/s

96 / 100

Category: Physics Ch 20 Class 12

Which of the following statements is not consistent with Bohr’s set of postulates regarding the hydrogen atom model with regard to the emission and absorption of light?

NTS 2013
Physics
Atomic Spectra
Elimination Tool:

A) Energy levels of the electrons are stable and discrete.

B) An electron emits or absorbs radiation only when making a transition from one energy level to another.

C) To jump from lower energy to higher energy, an electron must absorb a photon of precisely the right frequency such that the photon's energy equals the energy difference between the two orbits.

D) To jump from a higher energy to a lower energy, an electron' absorbs a photon of frequency such that photon's energy is exactly the energy difference between the two orbits.

97 / 100

Category: Physics Ch 10 Class 11

What should the distance of an object from a convex lens of focal length f=10 cm in order to produce an erect image twice as large as the object?

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

A) 20 cm from the lens

B) 15 cm from the lens

C) 10 cm from the lens

D) 05 cm from the lens

98 / 100

Category: Physics Ch 11 Class 11

The temperature coefficient of normal-conductor is negative because:

NUMS 2020
Physics
Heat and Thermodynamics
Elimination Tool:

A) Resistance increases with increase of temperature

B) Resistance decreases with increase of temperature

C) Resistance decreases with decrease of temperature

D) Resistance remains same with increase of temperature

99 / 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

100 / 100

Category: Physics Ch 4 Class 11

Which one of the following statements is true concerning the motion of an ideal projectile launched at an angle of 45° to the horizontal?

NTS 2014
Physics
Motion in Two Dimensions
Elimination Tool:

B) The speed at the top of the trajectory is zero.

C) The object's total speed remains constant during the entire flight.

D) The horizontal speed decreases on the way up and also decreases on the way down.

E) The vertical speed decreases on the way up and increases on the way down.

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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