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Two waves represented by the following equations are travelling in the same medium `y_(1) 5sin 2 pi (75 t-0.25x),y_(2)=10 sin2 pi (150 t-o.50x)`
The intensity ratio `I_(1)//I_(2)` of the two waves is

A

`8 : 1`

B

`2 : 1`

C

`4 : 1`

D

`16 : 1`

Text Solution

Verified by Experts

The correct Answer is:
C
We know that,
Intensity `prop ("Amplitude")^(2)`
So, `(l_(2))/(l_(1)) = ((A_(2))/(A_(1)))^(2) = ((10)/(5))^(2) = 4`
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