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When sound waves are reflected from a de...

When sound waves are reflected from a denser medium

A

0 rad

B

`(pi)/(4)` rad

C

`(pi)/(2)` rad

D

`pi` rad

Text Solution

Verified by Experts

The correct Answer is:
D
`pi` rad
These is a phase chang eof `180^(@)` , i.e, the phase of the wave changes by `pi` radians.
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