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A wave pulse on a string has the dimensi...

A wave pulse on a string has the dimension at time `t=0` as shown below is reflected from a fixed end `O`.

Its dimensions at `t=3s` is

A

B

C

D

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Verified by Experts

The correct Answer is:
A
The wave reflected at fixed end undergo a phase different of `pirad` at the time `t=3sec`, `x=Vt=3cm`, `A=1-1=0`
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