1.

Two waves represented by the following equation are travelling in the same medium y_(1) = 5 sin 2pi (75 t - 0.25 x) and y_(2) = 10 sin 2 pi (150 - 0.25 x) The intensity ratio of the two waves is …………

Answer»

`1:2`
`1 : 4`
`1:8`
`1:16`

SOLUTION :`I ALPHA A^(2) rArr (I_(1))/(I_(2)) = ((A_(1))/(A_(2)))^(2) = (5/(10))^(2) = 1/4`


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