Displacement Relation for a Progressive Wave NEET Questions

Physics - Oscillations and Waves

Displacement Relation for a Progressive Wave MCQ Questions


13.
What is the phase of a wave at a point where the displacement is maximum?
A.
π/4
B.
0 or π
C.
π/2 or 3π/2
D.
π/3
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ANSWER :
C. π/2 or 3π/2
14.
The displacement relation y = A sin(ωt - kx) represents:
A.
A longitudinal wave
B.
A standing wave
C.
A sinusoidal progressive wave
D.
A non-periodic wave
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ANSWER :
C. A sinusoidal progressive wave
15.
Which parameter affects the phase of a wave?
A.
Frequency only
B.
Amplitude only
C.
Time and position
D.
Speed only
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ANSWER :
C. Time and position
16.
The displacement relation of a progressive wave is y = A cos(ωt - kx). What is the wavelength if k = 2π/λ?
A.
λ = 2π/k
B.
λ = k/2π
C.
λ = ω/k
D.
λ = A/k
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ANSWER :
A. λ = 2π/k
17.
For a progressive wave, the phase difference between two points separated by a distance λ/4 is:
A.
π/2 radians
B.
π radians
C.
π/4 radians
D.
2π radians
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ANSWER :
A. π/2 radians
18.
In the wave equation y = A sin(kx - ωt), what is the phase of the wave at x = 0 and t = 0?
A.
0
B.
π/2
C.
π
D.
2π
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ANSWER :
A. 0