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

Which one of the following elasticizes is possessed by fluids:

Question # 2

If the displacement of a body executing S.H.M is plotted against time, then the curve is known as

Question # 3

Example of vibratory motion is

Question # 4

Which waves are used in sonography?

Question # 5

The speed of sound in a medium depends on

Question # 6

Fidelity refers to

Question # 7

The total energy of spring mass system is

Question # 8

The expression for restoring force is

Question # 9

The number of vibrating body at any instant from its equilibrium position is called

Question # 10

What is frequency of radio waves transmitted by a station, if the wavelength of those waves is 300 m?

Question # 11

In compressional wave,the layer of medium having reduced pressure is called:

Question # 12

When a body is pulled away from its rest or equilibrium position and then released, the body oscillates due to

Question # 13

The waves produced in a microwave oven have wavelength.

Question # 14

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

Question # 15

At a certain instant a stationary transverse wave is found to have maximum kinetic energy. The appearance of string of that instant is

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 When a mass 'm' is pulled slowly through a distance 'xo' , the elastic potential energy of the spring would be
A. P.E=Kx2o
B. P.E= 1/2kxo
C. P.E=1/2Kx2o
D. P.E=Kx2o
2 In solids, only following type/s of wave can travel:
A. Transverse
B. Longitudinal
C. Both A and B
D. None of them
3 Associated with the motion of a driven harmonic oscillator, there is a very striking phenomenon, know as
A. waves
B. beat
C. interference
D. resonance
4 Such oscillations in which the amplitude decreases steadily with time, are called
A. resonance
B. force oscillations
C. large oscillations
D. damped oscillations
5 If the displacement of a body executing S.H.M is plotted against time, then the curve is known as
A. frequency of S.H.M
B. period of S.H.M
C. wave form
D. none of them
6 The waves produced in a microwave oven have wavelength.
A. 12 mm
B. 12 cm
C. 12 m
D. 12 mm
7 Fluids can transmit:
A. Transverse wave
B. Compressional wave
C. Both of them
D. None of them
8 What is frequency of radio waves transmitted by a station, if the wavelength of those waves is 300 m?
A. 1 MHz
B. 10 Hz
C. 1 GHz
D. 100000 Hz
9 A weakly damped system has fairly
A. sharp resonance curve
B. flat resonance curve
C. both of them
D. none 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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