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Two waves of the same frequency and inte...

Two waves of the same frequency and intensity superimpose with each other in opposite phases . Then after superposition the ………….. .

A

intensity increases to four times

B

intensity increase to two times

C

frequency increases to four times

D

none of the above

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The correct Answer is:
D
Since the waves are in opposite phases, the resultant intensity will be zero. The frequc remains the same. So, the correct choice is (d).
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