the displacement of particle is given by Y is equal to 2 *10^-4 sin ( 100 - 50x) in SI unit the wave velocity is _______m/s
a. 5000
b.0.3
c. 300
d. 2
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The wave velocity is 5000 m/s.
Correct option is (A).
Explanation:
Displacement of particle "y" = 2×10^−4 sin (100 t−50 x)
Omega "ω" =100
k = 50
k = V ω / ω = 50
V ω = 50ω
= 50 × 100 = 5000 m/s
Thus the wave velocity is 5000 m/s.
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