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

Velocity of sound in vacuum (in m/s) is

Question # 2

For a body executing S. H. M, its

Question # 3

Which one of the following wave motions is transverse:

Question # 4

When an oscillatory motion repeats itself, then this type of motion is called

Question # 5

Example of vibratory motion is

Question # 6

A heavily damped system has a fairly

Question # 7

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

Question # 8

Which of the following is not mechanical wave?

Question # 9

Shock absorber of the car is an example of

Question # 10

Through which character we can distinguish the light waves from sound waves

Question # 11

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

Question # 12

As the bob of the pendulum moves to and fro which of the force is experienced by the bob

Question # 13

The total energy of spring mass system is

Question # 14

Mechanical waves on the surface of a liquid are

Question # 15

The process in which energy is dissipated from the oscillating system is known as

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 The vibrations of factory floor caused by the running of heavy machinery is an example of
A. free vibration
B. natural vibrations
C. forced vibrations
D. all of them
2 If F=0.04 N and X=4 cm then K=
A. 1 Nm-1
B. 2 Nm-1
C. 3 Nm-1
D. 4 Nm-1
3 The waves produced in a microwave oven have wavelength.
A. 12 mm
B. 12 cm
C. 12 m
D. 12 mm
4 The wave form of S.H.M will be
A. square wave
B. sine wave
C. rectified wave
D. saw-tooth wave
5 The characteristic of a body executing S.H.M is that its acceleration is
A. inversely proportional to displacement
B. directly proportional to displacement
C. independent of displacement
D. equal to zero
6 The waves moving from a sitar to a listener in air are
A. Longitudinal progressive
B. Longitudinal stationary
C. Transverse progressive
D. Transverse stationary
7 Mechanical waves on the surface of a liquid are
A. Transverse
B. Longitudinal
C. Torsional
D. both transverse and longitudinal
8 Which one is not produced by sound waves in air?
A. Polarization
B. Diffraction
C. Refraction
D. Reflection
9 The phase determines the
A. displacement
B. amplitude
C. frequency
D. state of motion of vibrating body
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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