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

Time period of simple pendulum is independent of

Question # 2

A wave, which transfer energy by moving away from the source of disturbance is called a

Question # 3

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

Question # 4

If the length of a simple pendulum is 0.25 m its time period would be

Question # 5

The square of 0.4 is:

Question # 6

If the time period a simple pendulum is 2 s, its frequency would be

Question # 7

The waves which propagate by the collision of material particles are known as

Question # 8

Energy is not carried by

Question # 9

Example of progressive wave is

Question # 10

Longitudinal waves are also called:

Question # 11

If one end of a rubber cord is fixed with a support and the other end is wiggled by hand, the waves generated on the card are:

Question # 12

When temperature increase, the frequency of a tuning fork

Question # 13

Which one of the following elasticizes is possessed by fluids:

Question # 14

The loudness and pitch of a sound note depends on

Question # 15

The distance covered by the wave during one period is called its:

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 Decibel is unit of
A. Intensity of light
B. x-ray radiation capacity
C. sound loudness
D. Energy of radiation
2 Progressive waves of frequency 300 Hz are superimposed in produced a system of stationary waves in which adjacent nodes are 1.5 m apart. What is the speed of the progressive waves?
A. 100 ms-1
B. 200 ms-1
C. 450 ms-1
D. 900 ms-1
3 It 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
A. Has a definite pitch
B. Has a definite quality
C. Has a definite capacity
D. Can penetrate the wall
4 When the bob of simple pendulum is at mean position, its K.E will be
A. maximum
B. minimum
C. zero
D. all of them
5 The temperature at which the speed of sound becomes double as was at 27°C is
A. 273°C
B. 0°C
C. 927°C
D. 1027°C
6 When the bob of simple pendulum is at extreme position, its K.E. will be
A. maximum
B. minimum
C. zero
D. all of them
7 The waves in which the particles of the medium have displacement along the direction of propagation of waves are called
A. longitudinal waves
B. transverse waves
C. non-mechanical waves
D. none of them
8 An object undergoes S.H.M has maximum acceleration when its displacement form the means position
A. maximum
B. zero
C. half of the maximum value
D. one third of the maximum value
9 In case of mechanical waves, we study the motion of
A. a single particle
B. collection of particle
C. any one of them
D. none of them
10 In solids, only following type/s of wave can travel:
A. Transverse
B. Longitudinal
C. Both A and B
D. None of them

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