ECAT Pre Computer Science Chapter 8 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 8 Waves

Try The MCQ's Test For ECAT Physics Chapter 8 Waves

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ECAT Physics Chapter 8 Waves

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Question # 1

Wave disturbances may also come in a concentrated bundle, like shock wave from an aeroplane flying at

Question # 2

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

Question # 3

If F=0.04 N and X=4 cm then K=

Question # 4

Which one is not produced by sound waves in air?

Question # 5

If a freely oscillating system is subjected to an external force, then

Question # 6

For transmission of both transverse and longitudinal waves, we can use:

Question # 7

The waves which propagate out in space due to oscillation of electric and magnetic fields are known as

Question # 8

The natural frequency of a pendulum which is vibrating freely, depends upon its

Question # 9

The time period of pendulums of different lengths would be

Question # 10

Which one of the following wave motions is transverse:

Question # 11

Angular frequency 'w' is basically a characteristics of

Question # 12

Which of the following changes at an antinode in a stationary wave?

Question # 13

Which of the following medium/media can transmit both transverse and longitudinal waves:

Question # 14

Fidelity refers to

Question # 15

Which of the following is an example of a S.H.M?

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 When a body is performing S.H.M., its acceleration is
A. inversely proportional to the displacement
B. directly proportional to the applied force
C. directly proportional to the amplitude
D. directly proportional to the displacement but in opposite direction
2 The waves which propagate by the collision of material particles are known as
A. e.m. waves
B. mechanical waves
C. light waves
D. microwaves
3 Time period of simple pendulum is independent of
A. length
B. mass
C. acceleration due to gravity
D. none of them
4 What is frequency of radio waves transmitted by a station, if the wavelength of those waves is 300 m?
A. 1 MHz
B. 10 Hz
C. 1 GHz
D. 100000 Hz
5 When sound waves travel from air to water which of these remains constant?
A. Velocity
B. Frequency
C. Wavelength
D. All the above
6 A stationary sound wave has frequency 165 Hz (speed of sound in air = 330 m/s) then distance between two consecutive nodes is
A. 2 m
B. 1 m
C. 0.5 m
D. 4 m
7 A wave, which transfer energy by moving away from the source of disturbance is called a
A. progressive wave
B. travelling wave
C. both of them
D. none of them
8 Transverse waves can be set up:
A. Solids
B. Liquids
C. Gases
D. All of them
9 Which one of the following could be the frequency of ultraviolet radiation?
A. 1.0 x 106Hz
B. 1.0 x 109Hz
C. 1.0 x 1012Hz
D. 1.0 x 1015Hz
10 Mechanical waves on the surface of a liquid are
A. Transverse
B. Longitudinal
C. Torsional
D. both transverse and longitudinal

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