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The speed of wave in a string is 20 ms ^...

The speed of wave in a string is `20 ms ^(-1)` and frequency is 50 Hz. The phase difference between two points on the string 10 cm apart will be

A

`pi/2`

B

`pi`

C

`(3pi)/2`

D

`2pi`

Text Solution

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The correct Answer is:
A
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