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

A wave pulse on a string has the dimension shown in figure.

The wave speed is `v=1cm//s`. If point `O` is free end. The shape of wave at time `t=3s` is

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
D
In `3sec`, pulse reaches free end `.0.`
At free end crest reflects as crest
`:.` net amplitude `=1+1=2cm`
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