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 loudness and pitch of a sound note depends on

Question # 2

To hear a clear echo, the reflecting surface must be at a minimum distance of

Question # 3

A weakly damped system has fairly

Question # 4

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

Question # 5

Time period of a simple pendulum depends upon the

Question # 6

The example of mechanical wave is

Question # 7

It two waves of amplitude 'a' produce a resultant wave of amplitude a, then the phase difference between them will be

Question # 8

Shock absorber of the car is an example of

Question # 9

Waves transport energy

Question # 10

Which one of the following is an example of resonance

Question # 11

Which one of the following wave motions is transverse:

Question # 12

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

Question # 13

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

Question # 14

The bob of a simple pendulum is suspended by

Question # 15

Acceleration of the mass at any instant is given by

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 It is possible to recognize a person by hearing his voice even if he is hidden behind a solid wall. This is due to the fact that his voice
A. Has a definite pitch
B. Has a definite quality
C. Has a definite capacity
D. Can penetrate the wall
2 Energy is not carried by
A. Transverse progressive waves
B. Longitudinal vibration
C. Stationary waves
D. Electromagnetic
3 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
4 Fluids can transmit:
A. Transverse wave
B. Compressional wave
C. Both of them
D. None of them
5 In transverse waves, the individual particles of the medium move:
A. In circles
B. Perpendicular to the direction of level
C. Parallel to the direction of level
D. None of these
6 A physical system under going forced vibrations is known as
A. Simple harmonic oscillator
B. Compound harmonic oscillator
C. Physical harmonic oscillator
D. driven harmonic oscillator
7 If two waves of length 50 cm and 51 cm produced 12 beats per second, the velocity of sound is
A. 360 m/s
B. 306 m/s
C. 331 m/s
D. 340 ms
8 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
9 The force which opposes the applied force producing the displacement in the spring is called
A. restoring force
B. periodic force
C. centripetal force
D. resistive force
10 Of the following, the option ______ reminds of longitudinal waves.
A. Sound waves
B. Heat waves
C. Electromagnetic waves
D. Light waves

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