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

Shock absorber of the car is an example of

Question # 2

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

Question # 3

Longitudinal waves are also called:

Question # 4

Which one of the following is an example of resonance

Question # 5

Which one of the following wave motions is transverse:

Question # 6

If the amplitude of sound is doubled and the frequency reduced to one-fourth, the intensity of sound at the same point will be

Question # 7

The expression of Hook's law is

Question # 8

Fidelity refers to

Question # 9

A simple pendulum consists of a

Question # 10

Which of the following is an example of a S.H.M?

Question # 11

The velocity of sound in air not effected by changes in

Question # 12

If one end of a rubber cord is fixed with a support and the other end is wiggled by hand, the waves generated on the card are:

Question # 13

If F=0.04 N and X=4 cm then K=

Question # 14

Which type of wave can be set up in solids

Question # 15

Wave disturbances may also come in a concentrated bundle, like shock wave from an aeroplane flying at

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 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?
A. 100 ms-1
B. 200 ms-1
C. 450 ms-1
D. 900 ms-1
2 The portion of the water above its mean level forms a:
A. Crest
B. Trough
C. Both A and B
D. None of these
3 Si units of time period is
A. second
B. hertz
C. revolution
D. vibration/sec
4 The wave motion set up in any medium depends upon:
A. Elasticity
B. Inertia
C. Density
D. All of these
5 Smaller the damping, greater will be the
A. frequency
B. wavelength
C. amplitude
D. none of them
6 Data transmitted along glass-fiber cables is in the form of pulses of monochromatic red light each of duration 2.5 ns. Which of the following is the best estimate of the number of wavelength in each pulse?
A. 103
B. 106
C. 109
D. 1012
7 The waves produced in a microwave oven have wavelength.
A. 12 mm
B. 12 cm
C. 12 m
D. 12 mm
8 Which of the following is an example of a S.H.M?
A. motion of a projectile
B. motion of a train along a circular path
C. motion of swing
D. electrons revolving sound the nucleus
9 The waves which propagate out in the space due to oscillations of electric and magnetic fields are called:
A. Mechanical waves
B. Electromagnetic waves
C. Matter waves
D. All of them
10 A wave, which transfer energy by moving away from the source of disturbance is called a
A. progressive wave
B. travelling wave
C. both of them
D. none of them

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