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

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

Question # 2

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

Question # 3

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

Question # 4

When a body is performing S.H.M., its acceleration is

Question # 5

Crests and troughs are formed in:

Question # 6

The speed of sound in a medium depends on

Question # 7

When temperature increase, the frequency of a tuning fork

Question # 8

Associated with the motion of a driven harmonic oscillator, there is a very striking phenomenon, know as

Question # 9

There is no net transfer of energy by particle of medium in

Question # 10

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

Question # 11

Smaller the damping, greater will be the

Question # 12

Which one is not produced by sound waves in air?

Question # 13

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

Question # 14

Shock absorber of the car is an example of

Question # 15

When sound waves travel from air to water which of these remains constant?

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 Of the following, the option ______ reminds of longitudinal waves.
A. Sound waves
B. Heat waves
C. Electromagnetic waves
D. Light waves
2 Transverse waves can be set up:
A. Solids
B. Liquids
C. Gases
D. All of them
3 Crests and troughs are formed in:
A. Longitudinal waves
B. Transverse waves
C. Both of these
D. None of these
4 The instantaneous velocity of a body moving along a circle is directed
A. along the radius
B. along the tangent
C. away from the circle
D. none of them
5 Time period of a simple pendulum depends upon the
A. length of the pendulum
B. acceleration due to gravity
C. none of them
D. both of them
6 Laplace formula is derived from
A. Isothermal change
B. Adiabatic change
C. Isobaric change
D. None of these
7 A body is executing free vibrations when it oscilates
A. with the interference of an external force
B. without the interference of an external force
C. with the interference of an internal force
D. none of them
8 The force which opposes the applied force producing the displacement in the spring is called
A. restoring force
B. periodic force
C. centripetal force
D. resistive force
9 Which type of wave can be set up in solids
A. longitudinal waves
B. transverse waves
C. both of them
D. none of them
10 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
A. Same
B. 2 times
C. 4 times
D. 8 times

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