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

The process in which energy is dissipated from the oscillating system is known as

Question # 2

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

Question # 3

The number of vibrating body at any instant from its equilibrium position is called

Question # 4

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

Question # 5

Resonance occurs when one of the natural frequencies of vibration of the forced or driven harmonic oscillator

Question # 6

The instantaneous velocity of a body moving along a circle is directed

Question # 7

Sound waves in air always

Question # 8

Which one of the following elasticizes is possessed by fluids:

Question # 9

One complete round trip of the body about its mean position is called

Question # 10

The waves which propagate out in the space due to oscillations of electric and magnetic fields are called:

Question # 11

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

Question # 12

The temperature at which the speed of sound becomes double as was at 27°C is

Question # 13

The velocity of sound in air not effected by changes in

Question # 14

A swing has

Question # 15

Example of vibratory motion is

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 At 'resonance' the transfer of energy from deriving source to the oscillator is
A. maximum
B. minimum
C. zero
D. none of them
2 Which one of the following wave motions is transverse:
A. Wave motion produced in water when a piece of stone is thrown into it
B. Pulling of weight hanging vertically with a spiral spring
C. Both of these
D. None of these
3 The maximum displacement of a body on either side of its equilibrium position is called
A. frequency
B. amplitude
C. displacement
D. time period
4 The velocity of sound is greatest in
A. Water
B. Air
C. Vacuum
D. Metal
5 Which of the following medium/media can transmit both transverse and longitudinal waves:
A. Solids
B. Liquids
C. Gases
D. All of them
6 A weakly damped system has fairly
A. sharp resonance curve
B. flat resonance curve
C. both of them
D. none of them
7 The bob of a simple pendulum is suspended by
A. string
B. heavy inextensible string
C. light extensible string
D. light inextensible string
8 Longitudinal waves are also called:
A. Congressional waves
B. Transverse waves
C. Radio waves
D. None of them
9 The square of 0.4 is:
A. Greater than 0.4
B. Smaller than 0.4
C. Equal to 0.4
D. None of them
10 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

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