If two waves of same frequency and same amplitude respectively, on sup – McqOptions

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1.	If two waves of same frequency and same amplitude respectively, on superimposition produced a resultant disturbance of the same amplitude, the waves differ in phase by [MP PMT 1990; MP PET 2000]
A.	p
B.	\[2\pi /3\]
C.	\[\pi /2\]
D.	Zero
Answer» C. \[\pi /2\]

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