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Loudness and Pitch

A wave pulse ...

Question

A wave pulse is travelling along a taut string fixed to heavy wall. After reflection from the wall the string might show the wave pulse as:

A

diagram

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B

diagram

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C

diagram

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D

diagram

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Solution

The correct option is D diagram
When a wave on string is reflected by a rigid boundary, it undergoes a phase change of $π$ .
Final answer: $(d)$

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Loudness and Pitch

Standard VIII Physics

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