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In the production of beats by two waves ...

In the production of beats by two waves of same amplitude and nearly same frequency, the maximum intensity to each of the constituent waves is

A

1

B

2

C

4

D

8

Text Solution

Verified by Experts

The correct Answer is:
C
Resultant amplitude
`(R) = 2A cos 2pi ((n_(1) - n_(2)))/(2) t`
`:.` Maximum value of `R = +- 2A " " :' I prop A^(2)`
`:. ("(I max) for R")/("(I max) one wave") = (4A^(2))/(A^(2)) = 4`
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