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

Laplace formula is derived from

Question # 2

Acceleration of the mass at any instant is given by

Question # 3

The time period of pendulums of different lengths would be

Question # 4

Sound waves in air always

Question # 5

When a mass 'm' is pulled slowly, the spring stretches by an amount xo, then the work done will be

Question # 6

The vibratory or oscillatory motion of a body is

Question # 7

The wave motion set up in any medium depends upon:

Question # 8

When temperature increase, the frequency of a tuning fork

Question # 9

The waves which propagate through the oscillations of material particles are known as:

Question # 10

A traveling wave has a shape of:

Question # 11

Of the following, the option ______ reminds of longitudinal waves.

Question # 12

SI unit of frequency is

Question # 13

Energy is not carried by

Question # 14

Which of the following changes at an antinode in a stationary wave?

Question # 15

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

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 Waves transport energy
A. without transport energy
B. with matter
C. both of them
D. none of them
2 The velocity of sound is greatest in
A. Water
B. Air
C. Vacuum
D. Metal
3 The natural frequency of a pendulum which is vibrating freely, depends upon its
A. mass
B. length
C. material
D. all of them
4 The total energy of spring mass system is
A. zero
B. changing with time
C. constant
D. none of them
5 In the same medium, velocity of the wave:
A. Goes on increasing
B. Remains constant
C. Goes on decreasing
D. None of these
6 When a body moves to and fro motion, this type of motion is called
A. translatory motion
B. circular motion
C. oscillatory motion
D. all of them
7 Which of the following changes at an antinode in a stationary wave?
A. Density only
B. Pressure only
C. Both pressure and density
D. Neither pressure nor density
8 When a wave is travels from one place to another, it transfers:
A. Matter
B. Energy
C. Momentum
D. Both B and C
9 A swing has
A. one natural frequency
B. two natural frequencies
C. three natural frequencies
D. four natural frequencies
10 For a body executing S. H. M, its
A. momentum remains constant
B. potential energy remains constant
C. kinetic energy remains constant
D. total energy remains constant

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