Speed of Travelling Wave NEET Questions

Physics - Oscillations and Waves

Speed of Travelling Wave MCQ Questions


1.
The speed of a wave on a stretched string is given by:
A.
v = T²/μ
B.
v = Tμ
C.
v = μ/T
D.
v = √(T/μ)
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ANSWER :
D. v = √(T/μ)
2.
If the tension in a string is quadrupled, the speed of the wave becomes:
A.
One-fourth the original speed
B.
Half the original speed
C.
Four times the original speed
D.
Twice the original speed
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ANSWER :
D. Twice the original speed
3.
What is the relationship between wave speed (v), frequency (f), and wavelength (λ)?
A.
v = f² × λ
B.
v = f / λ
C.
v = λ / f
D.
v = f × λ
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ANSWER :
D. v = f × λ
4.
The speed of a sound wave in air increases with:
A.
Decrease in temperature
B.
Decrease in pressure
C.
Decrease in humidity
D.
Increase in temperature
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ANSWER :
D. Increase in temperature
5.
Which of the following factors does NOT affect the speed of sound in a medium?
A.
Elasticity of the medium
B.
Temperature of the medium
C.
Density of the medium
D.
Amplitude of the sound wave
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ANSWER :
D. Amplitude of the sound wave
6.
The speed of a wave in a string depends on:
A.
Frequency and linear mass density
B.
Amplitude and frequency
C.
Wavelength and tension
D.
Tension and linear mass density
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ANSWER :
D. Tension and linear mass density