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Two light waves travelling in same mediu...

Two light waves travelling in same medium are given by `E_(1)=2sin(100pit-kx+30^(@))` and `E_(2)=3cos(200pit-k^(')x+60^(@))`. The ratio of intensity of first wave to that of second wave is:

A

`2/3`

B

`4/9`

C

`1/9`

D

`1/3`

Text Solution

Verified by Experts

The correct Answer is:
B
`IpropA^(2):.(I_(1))/(I_(2))=(2^(2))/(3^(2))=4//9`
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