Displacement Relation for a Progressive Wave NEET Questions

Physics - Oscillations and Waves

Displacement Relation for a Progressive Wave MCQ Questions


1.
The displacement equation of a progressive wave is given by y = A sin(ωt - kx). What does 'A' represent?
A.
Velocity of the wave
B.
Frequency of the wave
C.
Wavelength of the wave
D.
Amplitude of the wave
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ANSWER :
D. Amplitude of the wave
2.
For a wave represented by y = A sin(ωt - kx), the phase difference between two points separated by a distance λ/2 is:
A.
3π/2 radians
B.
2π radians
C.
π/2 radians
D.
π radians
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ANSWER :
D. π radians
3.
In the wave equation y = A sin(kx - ωt), what is the unit of the wave number 'k'?
A.
meter
B.
meter per second
C.
second
D.
radian per meter
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ANSWER :
D. radian per meter
4.
If the displacement relation of a wave is y = A sin(ωt + kx), in which direction is the wave traveling?
A.
Negative y-direction
B.
Positive x-direction
C.
Positive y-direction
D.
Negative x-direction
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ANSWER :
D. Negative x-direction
5.
The displacement of a wave is maximum when the phase angle is:
A.
π/3
B.
0 or π
C.
π/4
D.
π/2 or 3π/2
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ANSWER :
D. π/2 or 3π/2
6.
Which of the following parameters does not affect the displacement of a progressive wave?
A.
Amplitude
B.
Mass of the medium
C.
Angular frequency
D.
Wave number
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ANSWER :
B. Mass of the medium