Home/MDCAT/MDCAT Physics Waves Test Online

MDCAT Physics Waves Test Online

Malik TahirLast Updated: May 26, 2025

Physics Waves MCQS Online Test

MDCAT Physics Waves Chapter Online Test

Total Questions:	94
Time Allowed:	40 Minutes
Total Marks:	94
How to Attempt Test:	Please choose the right Option in MCQ-type question.
Test Helpful For:	MDCAT Entry Test Physics Online Test Interview Questions about Physics All Universities Entrance Test Recruitments Tests

Physics Waves Chapter Online Test

Please wait...

Page 1 of 4

Physics

1. The distance between any two consecutive crests or troughs is called

Frequency

Wave length

Phase difference

Period

2. The total energy of a particle, executing simple harmonic moron is

Independent of x

∞ x²

∞ x

∞√x

3. Reflection of radar waves from the aero planes is an example of

Interference

Resonance

Beat phenomenon

Doppler effect

4. In stationary waves

Energy is uniformly distributed

Energy is maximum at nodes and minimum at antidotes

Energy is minimum at nodes and maximum at antinodes

Alternating maximum and minimum energy producing at nodes and antinodes

5. A system under going force vibrations is known as

Vibration harmonic oscillator

Driven harmonic oscillator

None

Frequency harmonic oscillator

6. ‘y’ is the ratio molar specific heat at constant pressure to the molar specific heat at constant volume and has value

1.35

1.26

1.56

1.40

7. The tension in the string of a simple pendulum is

Constant

None of these

Maximum in the extreme position

Zero in the mean position

8. In vibratory motion which parameter remains constant?

P.E. Energy

Total Energy

K.E. Energy

Angular Momentum

9. In a progressive wave, the distance between two consecutive crests is

3/2 λ

λ/2

2 λ

10. The waves moving from a sitar to a listener in air are

Transverse progressive

Longitudinal progressive

Longitudinal stationary

Transverse stationary

11. If two waves of amplitude ‘A’ produce a resultant wave of amplitude A, then the phase difference between them will be

180°

90°

60°

120°

12. Velocity of sound in vacuum is

Zero

320 ms-1

332 ms-1

224 ms-1

13. The velocity of sound in air not affected by changes in:

The composition of air

Temperature of air

The atmospheric pressure

Moisture contents in air

14. When two identical traveling waves are superimposed, the velocity of the resultant wave

Becomes zero

Increases

Decreases

Remains unchanged

15. When the source of sound moves away form a stationary listener then _________ occurs.

An apparent decrease in wavelength

No apparent change in frequency

An apparent increase in frequency

An apparent decrease in frequency

16. When a gas is heated at constant pressure, its volume is increased and its density

Increased

Decreased

None of these

Increased rapidly

17. A particle executes SHM. The graph of its velocity as a function of displacement is

A straight line

A circle

An ellipse

A hyperbola

18. If is possible to recognize a person by hearing his voice even if he is hidden behind a solid wall. This is due to the fact that his voice.

Has a definite quality

Has a definite capacity

Has a definite pitch

Can penetrate the wall

19. One wavelength is the distance covered in a time is called

Reverberation

Oscillation Time

Time period

Wave

20. In a garden, a boy is swinging in the standing position. How will the time period of the swing be affected if the boy sits down on the swing?

Time period will increase

Time period will decrease

Time period will depend on the weight of the boy.

Time period will not change

21. In case of a vibrating Pendulum, if the mass of the pendulum is doubled then its time period

Remains same

Becomes double

Become one fourth

Becomes one half

22. Silence zone takes place due to

Destructive interference

Resonance

Constructive interference

Beats

23. When a body moves in a circle, its projection performs what type of motion?

Angular Motion

Rectilinear Motion

Simple Harmonic Motion

Circular Motion

24. Which one of the following instances are the waves plane-polarized?

Ultra-violet rays

Gamma rays

Visible light

Infra-red radiation

25. If two waves of length 50 cm and 51 cm produced 12 beats per second, the velocity of sound is

331 m/s

306 m/s

340 m/s

360 m/s

Page 2 of 4

26. A pendulum clock that keeps correct time on the Earth is taken to the Moon. It will run

At correct rate

√6 times faster

6 times faster

√6 times slower

27. The distance between two consecutive crests or trough is called

Frequency

None of these

Amplitude

Wavelength

28. Waves transmit _________ from one place to another

Energy

Both

Mass

None of these

29. The length of the second’s pendulum on the surface of Earth is 1m. Its length on the surface of moon, where g is 1/6th the value of g on the surface of Earth, is:

1/6 m

6 m

1/36 m

36 m

30. Two particles A and B of equal masses are suspended from two mass less springs of spring constants k₁ and k₂ respectively. If the maximum velocities, during oscillation, are equal, the ratio of amplitudes of A and B is:

k₂/k₁

√k₁/k₂

k₁/k₂

√k₂/k₁

31. What is frequency of radio waves transmitted by a station, if the wavelength of these waves is 300 m?

1 MHz

10 Hz

1 GHz

100000 Hz

32. The Doppler effect is produced if

Both the above

The source is in motion

The detector is in motion

None of these

33. A mass m attached to a spring oscillate every 2 sec. If the mass increases by 2 kg, then time period increases by 1 sec. The initial mass of the body is:

9.6 kg

3.2 kg

1.6 kg

12.6 kg

34. The speed of sound in a medium depends on

The elastic property as well as the inertia property

The elastic property but not on the inertia property

The inertia property but not on the elastic property

Neither the elastic property nor the inertia property

35. If mass attached to a spring increases, then its time period

Becomes Zero

Increases

Remains constant

Decreases

36. The gases have a

Zero elastic modulus

Smaller elastic modules

None of these

Large elastic modulus

37. Velocity of sound in vacuum (in m/s) is

156

330

1000

38. Maximum acceleration of an object in simple harmonic motion is 24 m/s² and maximum velocity is 16 m/sec. Then amplitude of SHM is

3/2 m

32/3 m

2/3 m

3/32 m

39. The human ear is most sensitive in the frequency range of:

4,000 to 8,000 Hz

5,000 to 11,000 Hz

2,000 to 4,000 Hz

3,000 to 6,000 Hz

40. In case of a forced vibration, the resonance becomes very sharp when the

Applied periodic force is small

Restoring force is small

Damping force is small

Quality factor is small

41. When two waves with same frequency and constant phase difference interfere.

There is a loss of energy

There is a gain of energy

The energy is redistributed and the distribution changes with time

The energy is redistributed and the distribution remains constant with time

42. A sound source is moving towards stationary listener with 1/10th of the speed of sound. The ratio of apparent to real frequency is

(9/10)²

10/9

(11/10)²

11/10

43. If the magnitude of displacement is numerically equal to that of acceleration, then the time period is

4π second

π second

2π second

1 second

44. Waves disturbances may also come in a concentrated bundles like stock waves from an airplane flying at:

Supersonic speed

None of these

Sonic speed

Extra supersonic speed

45. If the period of oscillation of mass m suspended from a spring is one second, then the period of 4 m will be:

½ sec

2 sec

4 sec

¼ sec

46. The loudness and pitch of a sound note depends on

Frequency and velocity

Intensity and velocity

Intensity and frequency

Frequency and number of harmonic

47. A sine wave is represented by Q. the distance between the two particles having same maximum displacement is

λ/4

λ/2

2λ

48. Which one is not produce by sound waves in air?

Diffraction

Polarization

Refraction

Reflection

49. Fidelity refers to

Reproduction of original sound

Reproduction of music

Reproduction of original image

Reproduction of a CD from original copy

50. In stationary waves

Alternating maximum and minimum energy producing at nodes and antinodes

Energy is minimum at nodes and maximum at antinodes

Energy is uniformly distributed

Energy is minimum at nodes and maximum at antidotes

Page 3 of 4

51. For production of beats the two sources must have

Different frequencies and same amplitude

Different frequencies and same phase

Different frequencies

Different frequencies, same amplitude and same phase

52. The beats frequency (sensible) for a human car is

262Hz

42Hz

7Hz

256Hz

53. The points at which the distance separated by λ, 2λ, 3λ, ........ are

In phase

Out of phase

None of these

Sometimes in phase

54. To hear a clear echo, the reflecting surface must be at a minimum distance of

16.5 m

10 m

33 m

66 m

55. A particle executes a simple harmonic motion of time period T. Find the time taken by the particle to go directly from its mean position to half the amplitude

T/4

T/12

T/2

T/8

56. The ratio of velocity of sound in air at 4 atm pressure and that at 1 atm pressure would be

1 : 4

1 : 2

4 : 1

2 : 1

57. The response of the human ear to the loudness of sound is _________ in nature:

Hyperbolic

Linear

Logarithmic

Exponential

58. The process whereby energy is dissipated from the oscillating system is called

None of these

Oscillation

Resonance

Damping

59. Beats are the results of

Constrictive and destructive interference

Destructive interference

Diffraction of sound waves

Polarization

60. It is possible to distinguish between transverse and longitudinal waves form the property of

Diffraction

Polarization

Interference

Refraction

61. A body with frequency f would complete one vibration in

1 second

1/T seconds

1/f seconds

F seconds

62. For motion of a simple pendulum to be simple harmonic

Amplitude of motion will be every small

Amplitude of motion will be very large

Independent of amplitude of motion

None of these

63. With the propagation of a longitudinal wave through a material medium, the quantities transmitted in the propagation direction are

Energy

Energy and linear momentum

Energy, momentum and mass

Energy and mass

64. Speed of sound in Water at 20°C is:

1343 ms¯¹

1567 ms¯¹

1214 ms¯¹

1483 ms¯¹

65. The velocity of sound in air depends upon

Amplitude and frequency of sound

Density and elasticity of gas

Wavelength of sound

Pressure

66. When a stationary wave is formed then its frequency is

√2 that of the individual waves

Twice that of the individual waves

Same as that of the individual waves

Half that of the individual waves

67. Decibel is unit of

x-ray radiation capacity

Intensity of light

Energy of radiation

Sound loudness

68. Applications of the results of scientific studies in the designs of buildings etc. is called:

Acoustics

Statics

Wave mechanics

Optics

69. What sort of waves exhibit the Doppler effect?

Water waves

All of these

Light waves

Sound waves

70. Energy is not carried by

Transverse progressive waves

Stationary waves

Electromagnetic waves

Longitudinal vibration

71. Through which character we can distinguish the light waves from sound waves

Polarization

Refraction

Interference

Reflection

72. The distance between node and antinode is

2λ

λ/2

λ/4

73. Sound waves do not travel in vacuum because

They are transverse waves

They do not have enough energy

They require material medium for propagation

They are stationary waves

74. In simple harmonic motion,

The acceleration of the vibrating particle is ahead of displacement by a phase of π

The velocity and displacement of the vibrating particle are in the same phase

The velocity and acceleration of the vibrating particle are in the same phase

The velocity of the vibrating particle is ahead in phase of the displacement by and angle π

75. A pendulum suspended from the ceiling of a train has a period T when the train is at rest. When the train is accelerating with a uniform acceleration, the period of oscillation will

Become infinite

Remain unaffected

Increase

Decrease

Page 4 of 4

76. Which of the following changes at an antinode is a stationary wave?

Density only

Pressure only

Neither pressure nor density

Both pressure and density

77. The velocity of sound is greatest in

Air

Metal

Water

Vacuum

78. The restoring force of S.H.M. is maximum when particle:

Half way between them

At rest

Crossing mean position

Displacement is maximum

79. Ultra Violet rays differ X rays in that ultra violet rays

Have a lower frequency

Do not affect photographic plate

Cannot be diffracted

Cannot be polarized

80. The distance between node and anti-node is

λ/2

λ/4

2λ

81. A spring-mass system oscillates with a frequency v, if it is taken in an elevator slowly accelerating upward, the frequency will

Become zero

Decrease

Remains same

Increase

82. Which one of the following statements is true for the speed v and the acceleration α of a particle executing simple harmonic motion?

Value of α is zero, whatever may be the value of v

When v is maximum, α is zero

When v is zero, α is zero

When v is maximum, α is maximum

83. In a seconds pendulum, mass of the bob is 30 gm. If it is replaced by 90 gm mass. Then its time period will be

4 s

2 s

3 s

1 s

84. When temperature increases, the frequency of a tuning fork

Increases

Decreases

Increases or decreases depending on the material

Remains same

85. Which phenomena can be applied to estimate the velocity of star with respect to earth?

Doppler effect

Interference of waves

Beats phenomena

All of these

86. A wave is which the displacement of the wave travel perpendicular to the direction of propagation of waves is called

Progressive wave

None of these

Longitudinal waves

Transverse wave

87. One spring has force constant 200 Nm¯¹, another has force constant 500 Nm¯¹. If they are joined in series, the force constant will be nearest to

700 Nm¯¹

100 Nm¯¹

143 Nm¯¹

300 Nm¯¹

88. To make the frequency double of a spring oscillator, we have to:

Double the mass

Reduce the mass to one fourth

Quadruple the mass

Half the mass

89. The waves that require a material medium for their propagation are called

Electromagnetic waves

Carrier waves

Mechanical waves

Matter waves

90. The length of a spring is ‘α’ when a force of 4N is applied on it. The length is β when 5N force is applied. Then the length of spring when 9N force is applied is

5α – 4β

5 β – 4 α

9 (β – α)

β – α

91. An oscillating mass-spring system generates

Mechanical waves

None of these

Periodic waves

Progressive waves

92. Sound waves in air always

Electromagnetic

Longitudinal

Stationary

Transverse

93. Doppler-effect applies to

Both sound and light waves

Light wave only

Neither sound nor light wave

Sound wave only

94. Two springs of spring constants k₁ and k₂ are joined in series. The effective spring constant of the combination is given by

k₁ k₂/( k₁+k₂)

√k₁k₂

k₁+k₂

(k₁+k₂)/2

You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.

MDCAT Chemistry Gases Test Online
MDCAT Chemistry Industrial Chemistry Test Online
MDCAT Chemistry Aldehydes and Ketones Test Online
MDCAT Physics Alternating Current Test Online
MDCAT Physics Fluid Dynamics Test Online
MDCAT Physics Vactors And Equilibrium Test Online
MDCAT Chemistry Alcohols And Phenols Test Online
MDCAT Chemistry Alkyl Halides Test Online
MDCAT Biology Biotechnology Online Test
MDCAT Biology Homeostasis Online Test

Malik TahirLast Updated: May 26, 2025

Facebook Twitter Reddit WhatsApp Share via Email Print

5 Comments

Karshma says:

December 17, 2021 at 10:42 am

I am a medical student

Talha Maqsood says:

August 20, 2021 at 12:07 pm

Sir some of your own answer are wrong please correct them

Rana Zunair Mehdi says:

July 21, 2016 at 5:12 pm

Excellent website but there is problem in the answer of a mcqs of physics sample peper no.22. mcqs of “trough” the answer is above the equilibrium position but real answer from tectbook is below the equilibrium position. thanks

1. Talha Maqsood says:
  
  August 20, 2021 at 12:08 pm
  
  Yes bro I have same problem
  
Rana Zunair Mehdi says:

July 21, 2016 at 5:06 pm

Excellent website for preparation of MCAT as it includes all the mcqs from all books . help a lot to obtain higher marks. suuccessfull website

MDCAT Physics Waves Test Online

Physics Waves MCQS Online Test

MDCAT Physics Waves Chapter Online Test

Physics Waves Chapter Online Test

Physics

You Might Also Like

Malik Tahir

5 Comments

Leave a Reply Cancel reply

Physics Waves MCQS Online Test

MDCAT Physics Waves Chapter Online Test

Physics Waves Chapter Online Test

Physics

You Might Also Like

Malik Tahir

Your Related

MDCAT Chemistry of Hydrocarbons Test Online

MDCAT Physics Fluid Dynamics Test Online

SZMC Rahim Yar Khan Entry Test Result 2025 Answer Key Merit List

Wah Medical College Wah Cantt Entry Test Result 2025 Answer Key

Prime Peshawar Entry Test Answer Key 2025 Result Merit Lists 1st, 2nd, 3rd

FMH Entry Test Result 2025 Answer Key Merit Lists Online

5 Comments

Leave a Reply Cancel reply