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Two progressive waves y(1) = 4 sin 400 p...

Two progressive waves `y_(1) = 4 sin 400 pi t and y_(2) = 3 Sin 404 pi t` moving in the same direction superpose on each other producing beats. Then the number of beats per second and the ratio of maximum to minimum intensity of the resultant waves are respectively

A

2 and 5/1

B

4 and 49/1

C

4 and 16/9

D

2 and 49/1

Text Solution

Verified by Experts

The correct Answer is:
D
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