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A pulse of a wavetrain travels along a s...

A pulse of a wavetrain travels along a stretched string and reaches the fixed end of the string. It will be reflected back with

A

A phase change of `180^@` with speed changed

B

The same phase as the incident pulse with no reversal of velocity

C

A phase change of `180^@` with no changed of speed

D

The same phase as the incident pulse but with velocity reversed

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The correct Answer is:
C
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