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 a body moves to and fro motion, this type of motion is called

Question # 2

In transverse waves, the individual particles of the medium move:

Question # 3

Energy is not carried by

Question # 4

Time period of a simple pendulum depends upon the

Question # 5

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

Question # 6

The principle of superposition states that

Question # 7

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

Question # 8

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

Question # 9

Waves transport energy

Question # 10

The bob of a simple pendulum is suspended by

Question # 11

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

Question # 12

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?

Question # 13

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

Question # 14

If the mass of the simple pendulum becomes double, its time period

Question # 15

The distance covered by the wave in one second is:

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 To hear a clear echo, the reflecting surface must be at a minimum distance of
A. 10 m
B. 16.5 m
C. 33 m
D. 66 m
2 In the same medium, velocity of the wave:
A. Goes on increasing
B. Remains constant
C. Goes on decreasing
D. None of these
3 Of the following, the option ______ reminds of longitudinal waves.
A. Sound waves
B. Heat waves
C. Electromagnetic waves
D. Light waves
4 Mechanical waves on the surface of a liquid are
A. Transverse
B. Longitudinal
C. Torsional
D. both transverse and longitudinal
5 If a freely oscillating system is subjected to an external force, then
A. free vibrations will take place
B. the body will move with its natural frequency
C. forced vibrations will take place
D. none of them
6 Decibel is unit of
A. Intensity of light
B. x-ray radiation capacity
C. sound loudness
D. Energy of radiation
7 Which of the following is/are example/s if mechanical waves i.e. waves generated in _______:
A. Rope
B. Coil of spring
C. Water
D. All of them
8 In transverse waves, the individual particles of the medium move:
A. In circles
B. Perpendicular to the direction of level
C. Parallel to the direction of level
D. None of these
9 A second's pendulum is a pendulum whose time period is
A. 1 second
B. 2 seconds
C. 3 seconds
D. 4 seconds
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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