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

motion of a projectile A
motion of a train along a circular path B
motion of swing C
electrons revolving sound the nucleus D

Question # 2

When half of the cycle of a body executing S.H.M is completed, then the phase of the vibration will be

45° A
90° B
135° C
180° D

Question # 3

The instantaneous velocity of a body moving along a circle is directed

along the radius A
along the tangent B
away from the circle C
none of them D

Question # 4

In stationary waves

Energy is uniformly distributed A
Energy is minimum at nodes and maximum at antinodes B
Energy is maximum at nodes and minimum at antidotes C
Alternating maximum and minimum energy producing at nodes and antinodes D

Question # 5

Which of the following changes at an antinode in a stationary wave?

Density only A
Pressure only B
Both pressure and density C
Neither pressure nor density D

Question # 6

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

rotatory motion A
motion under gravity B
angular motion C
simple harmonic motion D

Question # 7

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

Interference A
Refraction B
Polarization C
Reflection D

Question # 8

If a wave can be polarized, it must be

An electromagnetic wave A
A longitudinal wave B
A progressive wave C
A transverse wave D

Question # 9

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?

10³ A
10⁶ B
10⁹ C
10¹² D

Question # 10

In case of mechanical waves, we study the motion of

a single particle A
collection of particle B
any one of them C
none of them D

Question # 11

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

displacement A
frequency B
amplitude C
time period D

Question # 12

A string is stretched between two points and is plucked at right angles to its length, the vibration produced is:

Longitudinal wave A
Transverse wave B
No vibration at all C
None of them D

Question # 13

The waves in which the particles of the medium are displaced in a direction perpendicular to the direction of propagation of waves are known as

longitudinal waves A
transverse waves B
non-mechanical waves C
none of them D

Question # 14

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

Sinusoidal shape with amplitude A/3 A
Sinusoidal shape with amplitude A/2 B
Sinusoidal shape with amplitude A C
Straight line D

Question # 15

A heavily damped system has a fairly

sharp resonance curve A
flat resonance curve B
both of them C
none of them D

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ECAT Pre Computer Science Chapter 8 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 8 Waves

ECAT Physics Chapter 8 Waves

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

When half of the cycle of a body executing S.H.M is completed, then the phase of the vibration will be

The instantaneous velocity of a body moving along a circle is directed

In stationary waves

Which of the following changes at an antinode in a stationary wave?

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

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

If a wave can be polarized, it must be

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?

In case of mechanical waves, we study the motion of

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

A string is stretched between two points and is plucked at right angles to its length, the vibration produced is:

The waves in which the particles of the medium are displaced in a direction perpendicular to the direction of propagation of waves are known as

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

A heavily damped system has a fairly

Prepare Complete Set Wise ECAT Physics Chapter 8 Waves MCQs Online With Answers

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