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Calculate the ratio of intensity of wave...

Calculate the ratio of intensity of wave train A to wave train B.

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The correct Answer is:
`1`
`I prop ((A)/(T))^(2)rArr (I_(1))/(I_(2))=((A_(1))/(A_(2)))^(2)((T_(2))/(T_(1)))^(2)=((2)/(1))^(2)xx((1)/(2))^(2)=1`
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