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

It two waves of amplitude 'a' produce a resultant wave of amplitude a, then the phase difference between them will be

Question # 2

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

Question # 3

The waves which propagate by the collision of material particles are known as

Question # 4

Shock absorber of the car is an example of

Question # 5

Which type of wave can be set up in solids

Question # 6

The square of 0.4 is:

Question # 7

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

Question # 8

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 # 9

A weakly damped system has fairly

Question # 10

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

Question # 11

The waves in which the particles of the medium are displaced in a direction perpendicular to the direction of propagation of waves are known as

Question # 12

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

Question # 13

Crests and troughs are formed in:

Question # 14

The frequency of free vibrations is known as

Question # 15

The velocity of sound at same temperature is maximum in

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 When the particles of the medium vibrate about their mean position, along the direction of the motion of waves, then the waves are called:
A. Longitudinal waves
B. Transverse waves
C. Water waves
D. Complex waves
2 The time required to complete on vibration is called
A. frequency
B. total time
C. time period
D. velocity
3 Which of the following does not exhibit S.H.M?
A. a plucked violin string
B. a mass attached to a spring
C. a train shunting between two terminals
D. a simple pendulum
4 When a mass 'm' is pulled slowly, the spring stretches by an amount x0,then the average force would be
A. F= Kx0
B. F=1/2Kx0
C. F=2Kx0
D. F=4Kx0
5 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
6 At a certain instant a stationary transverse wave is found to have maximum kinetic energy. The appearance of string of that instant is
A. Sinusoidal shape with amplitude A/3
B. Sinusoidal shape with amplitude A/2
C. Sinusoidal shape with amplitude A
D. Straight line
7 When temperature increase, the frequency of a tuning fork
A. Increases
B. Decreases
C. Remains same
D. Increase or decreases depending on the material
8 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
9 Which waves are used in sonography?
A. Microwaves
B. Infra red waved
C. Sound waves
D. Ultrasonic waves
10 The waves which propagate out in space due to oscillation of electric and magnetic fields are known as
A. e.m. waves
B. mechanical waves
C. sound waves
D. water waves

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