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What is the phase difference between the...

What is the phase difference between the incident wave and the reflected wave in the following ?
1. Wave reflected from rigid boundary.
2. Wave reflected from free boundary.

Text Solution

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(i) Phase difference between the incident wave and the reflected wave is `pi` or `180^(@)` when wave reflected from rigid boundary.
(b) Phase difference between the incident wave and the reflected wave does not change when wave is reflected from free boundary.
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