ECAT Pre General Science Physics Chapter 8 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 8 Waves

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

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ECAT Pre General Science Physics Chapter 8 Waves

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Question # 1

The characteristic of a body executing S.H.M is that its acceleration is

Question # 2

A swing has

Question # 3

Decibel is unit of

Question # 4

The expression of Hook's law is

Question # 5

In compressional wave,the layer of medium having reduced pressure is called:

Question # 6

Which waves are used in sonography?

Question # 7

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

Question # 8

The speed of sound in a medium depends on

Question # 9

Which of the following does not exhibit S.H.M?

Question # 10

When the bob of simple pendulum is at extreme position, its K.E. will be

Question # 11

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

Question # 12

The velocity of sound at same temperature is maximum in

Question # 13

Smaller the damping, the resonance will be

Question # 14

Fidelity refers to

Question # 15

Transverse waves can be set up:

Question # 16

For production of beats the two sources must have

Question # 17

The portion of the water above its mean level forms a:

Question # 18

Sound waves in air always

Question # 19

Waves transport energy

Question # 20

A second's pendulum is a pendulum whose time period is

Question # 21

The time required to complete on vibration is called

Question # 22

Mechanical waves on the surface of a liquid are

Question # 23

SI unit of frequency is

Question # 24

For a body executing S. H. M, its

Question # 25

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

Question # 26

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

Question # 27

The wave motion set up in any medium depends upon:

Question # 28

In the production of beats by 2 waves of same amplitude and nearly same frequency, the maximum intensity to each of the constituent waves is

Question # 29

The maximum displacement of a body on either side of its equilibrium position is called

Question # 30

A simple pendulum consists of a

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 Which one of the following elasticizes is possessed by fluids:
A. Young's elastic modulus (length)
B. Bulk elastic modulus (volume)
C. Modulus of rigidity (shape)
D. None of these
2 Smaller the damping, greater will be the
A. frequency
B. wavelength
C. amplitude
D. none of them
3 Time period of simple pendulum is independent of
A. length
B. mass
C. acceleration due to gravity
D. none of them
4 Example of progressive wave is
A. transverse waves
B. longitudinal waves
C. both of them
D. none of them
5 Fluids can transmit:
A. Transverse wave
B. Compressional wave
C. Both of them
D. None of them
6 The characteristic of a body executing S.H.M is that its acceleration is
A. inversely proportional to displacement
B. directly proportional to displacement
C. independent of displacement
D. equal to zero
7 When a wave is travels from one place to another, it transfers:
A. Matter
B. Energy
C. Momentum
D. Both B and C
8 The time required to complete on vibration is called
A. frequency
B. total time
C. time period
D. velocity
9 With the propagation of a longitudinal wave through a material medium, the quantities transmitted in the propagation direction are
A. Energy, momentum and mass
B. Energy
C. Energy and mass
D. Energy and linear momentum
10 Which of the following is the longitudinal waves?
A. Sound waves
B. Waves on plucked string
C. Water waves
D. Light waves

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