What is the phase difference between two successive crests in the wave

1.	What is the phase difference between two successive crests in the wave [RPMT 2001, 02; MH CET 2004]
A.	p
B.	p/2
C.	289 Hz
D.	4p
Answer» D. 4p

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What is the phase difference between two successive crests in the wave [RPMT 2001, 02; MH CET 2004]

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