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

Answer

`1`

Explanation

`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`