Speed of Travelling Wave NEET Questions

Physics - Oscillations and Waves

Speed of Travelling Wave MCQ Questions


13.
Which of the following mediums allows sound waves to travel the fastest?
A.
Air
B.
Water
C.
Steel
D.
Vacuum
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ANSWER :
C. Steel
14.
In a wave, if the frequency is increased and the medium remains the same, what happens to the wavelength?
A.
It remains constant
B.
It increases
C.
It decreases
D.
It becomes infinite
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ANSWER :
C. It decreases
15.
The speed of a transverse wave on a string depends on:
A.
Wavelength and tension
B.
Amplitude and frequency
C.
Tension and mass per unit length
D.
Frequency and linear mass density
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ANSWER :
C. Tension and mass per unit length
16.
For a wave traveling in a solid, the wave speed is proportional to:
A.
The wavelength directly
B.
The cube of the frequency
C.
The square root of the Young's modulus
D.
The amplitude of the wave
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ANSWER :
C. The square root of the Young's modulus
17.
What happens to the speed of a sound wave if the density of the medium increases while keeping elasticity constant?
A.
It remains the same
B.
It increases
C.
It decreases
D.
It becomes zero
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ANSWER :
C. It decreases
18.
The speed of a mechanical wave in a medium depends on:
A.
The amplitude of the wave
B.
The color of the wave
C.
Elastic and inertial properties of the medium
D.
External temperature only
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ANSWER :
C. Elastic and inertial properties of the medium