A sinusoidal wave moving along a string is shown twice in the figure as crest A travels in the positive direction of an x -axis by distance 
in 4.0 ms. The tick marks along the axis are separated by 10 cms. height 
mm. The wave equation is:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
As the wave is going along positive 
axis, so option and are wrong.
Moreover, 
Speed of the wave, 
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