Two waves of same frequency and intensity superimpose with each other – McqOptions

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1.	Two waves of same frequency and intensity superimpose with each other in opposite phases, then after superposition the [AFMC 1995]
A.	Intensity increases by 4 times
B.	Intensity increases by two times
C.	Frequency increases by 4 times
D.	None of these
Answer» E.

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