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A pulse on a string is shown in the figu...

A pulse on a string is shown in the figure.P is particle of the string.Then state which of the following are correct .

A

If P is stationary point, then pulse consists of two waves travelling in oppostie direction

B

If P is moving upwards, then pulse is travelling in positive direction

C

If P is moving downwards, then pulse is travelling in negative direction

D

none of these is incorrect

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