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Periodic Motion

A wave pulse ...

Question

A wave pulse is travelling along a light taut string which ends in a frictionless ring which is free to move in a transverse direction. After reflection, the string might show the wave pulse:

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 A diagram
When a wave on a string is reflected by a free boundary, it undergoes no phase change.
Final answer: $(b)$

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Periodic Motion

Standard XII Physics

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