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Two periodic waves of intensities I(1) a...

Two periodic waves of intensities `I_(1)` and `I_(2)` pass through a region at the same time in the same direction. The sum of the maximum and minimum intensities is:

A

`(sqrt(I_(1))-sqrt(I_(2)))^(2)`

B

`2(I_(1)+I_(2))`

C

`I_(1)+I_(2)`

D

`(sqrt(I_(1))+sqrt(I_(2)))^(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
`I_(max)=(sqrt(I_(1))+sqrt(I_(2)))^(2)`
`I_(min)=(sqrt(I_(1))-sqrt(I_(2)))^(2)`
Sum of maximum and minimum intensities
`=2(I_(1)+I_(2))`
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