1.

Ratio of intensities of two waves are given by 4:1. Then ratio of the amplitudes of the two waves is

Answer»

`2:1`
`1:2`
`4:1`
`1:4`

SOLUTION :`(I_(1))/(I_(2))=(a_(1)^(2))/(a_(2)^(2))=(4)/(1)`
`:.(a_(1))/(a_(2))=(2)/(1)=2:1`


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