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

The velocity of sound in air not effected by changes in

Question # 2

As the bob of the pendulum moves to and fro which of the force is experienced by the bob

Question # 3

A physical system under going forced vibrations is known as

Question # 4

With the propagation of a longitudinal wave through a material medium, the quantities transmitted in the propagation direction are

Question # 5

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

Question # 6

Such oscillations in which the amplitude decreases steadily with time, are called

Question # 7

In the resonance condition, the amplitude of the oscillator becomes

Question # 8

A stationary sound wave has frequency 165 Hz (speed of sound in air = 330 m/s) then distance between two consecutive nodes is

Question # 9

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

Question # 10

Angular frequency 'w' is basically a characteristics of

Question # 11

The waves in which the particles of the medium have displacement along the direction of propagation of waves are called

Question # 12

When two progressive waves of nearly same frequencies superimpose and give rise to beats, then

Question # 13

Energy is dissipated and consequently the energy mass system do not oscillate indefinitely because of

Question # 14

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

Question # 15

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

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