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Two coherent sources of different inten...

Two coherent sources of different intensities send waves which interfere. The ratio of maximum intensity to the minimum intensity is 25. The intensities of the sources are in the ratio

A

(a) `25:1`

B

(b) `5:1`

C

(c) `9:4`

D

(d) `25:16`

Text Solution

Verified by Experts

The correct Answer is:
C
`(I_(max))/(I_(min))=((sqrt(I_1/I_2)+1)/(sqrt(I_1/I_2)-1))^2impliesI_1/I_2=9/4`
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