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

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

Question # 2

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

Question # 3

Which type of wave can be set up in solids

Question # 4

If we increase the length of a simple pendulum four times, its time period will become

Question # 5

Crests and troughs are formed in:

Question # 6

Which one of the following could be the frequency of ultraviolet radiation?

Question # 7

A swing has

Question # 8

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

Question # 9

The frequency of free vibrations is known as

Question # 10

Energy is not carried by

Question # 11

Transverse waves can be set up:

Question # 12

The phase determines the

Question # 13

Which waves are used in sonography?

Question # 14

A traveling wave has a shape of:

Question # 15

Fidelity refers to

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 A string is stretched between two points and is plucked at right angles to its length, the vibration produced is:
A. Longitudinal wave
B. Transverse wave
C. No vibration at all
D. None of them
2 Energy is not carried by
A. Transverse progressive waves
B. Longitudinal vibration
C. Stationary waves
D. Electromagnetic
3 Through which character we can distinguish the light waves from sound waves
A. Interference
B. Refraction
C. Polarization
D. Reflection
4 The restoring force always directed towards the
A. extreme position
B. mean position
C. both of them
D. none of them
5 If the mass of the simple pendulum becomes double, its time period
A. increase
B. decreases
C. remains constant
D. none of them
6 The wave motion set up in any medium depends upon:
A. Elasticity
B. Inertia
C. Density
D. All of these
7 Fidelity refers to
A. Reproduction of original sound
B. Reproduction of original image
C. Reproduction of music
D. Reproduction of a CD from original copy
8 The process in which energy is dissipated from the oscillating system is known as
A. resonance
B. interference
C. diffraction
D. damping
9 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
10 The waves produced in a microwave oven have wavelength.
A. 12 mm
B. 12 cm
C. 12 m
D. 12 mm

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