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 frequency of free vibrations is known as

Question # 2

In the resonance condition, the amplitude of the oscillator becomes

Question # 3

The vibrations of factory floor caused by the running of heavy machinery is an example of

Question # 4

When a mass 'm' is pulled slowly, the spring stretches by an amount xo, then the work done will be

Question # 5

The time required to complete on vibration is called

Question # 6

A simple pendulum consists of a

Question # 7

When the particles of the medium vibrate about their mean position, along the direction of the motion of waves, then the waves are called:

Question # 8

The square of 0.4 is:

Question # 9

When a wave is travels from one place to another, it transfers:

Question # 10

SI unit of frequency is

Question # 11

A traveling wave has a shape of:

Question # 12

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

Question # 13

In solids, only following type/s of wave can travel:

Question # 14

The waves produced in a microwave oven have wavelength.

Question # 15

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

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 For production of beats the two sources must have
A. Different frequencies and same amplitude
B. Different frequencies
C. Different frequencies, same amplitude and same phase
D. Different frequencies and same phase
2 If a wave can be polarized, it must be
A. An electromagnetic wave
B. A longitudinal wave
C. A progressive wave
D. A transverse wave
3 Through which character we can distinguish the light waves from sound waves
A. Interference
B. Refraction
C. Polarization
D. Reflection
4 Which one is not produced by sound waves in air?
A. Polarization
B. Diffraction
C. Refraction
D. Reflection
5 The vibratory motion of a body whose magnitude of acceleration is directly proportional to the magnitude of its displacement and is always directed towards the equilibrium position is called
A. rotatory motion
B. motion under gravity
C. angular motion
D. simple harmonic motion
6 For transmission of both transverse and longitudinal waves, we can use:
A. Solid
B. Gas
C. Plasma
D. None of these
7 A heavily damped system has a fairly
A. sharp resonance curve
B. flat resonance curve
C. both of them
D. none of them
8 The waves which propagate through the oscillations of material particles are known as:
A. Mechanical waves
B. Electromagnetic waves
C. Any of them
D. None of them
9 The wave form of S.H.M will be
A. square wave
B. sine wave
C. rectified wave
D. saw-tooth wave
10 The time period of pendulums of different lengths would be
A. same
B. different
C. both of them
D. none of them

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