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Widths of two slits in Young's experimen...

Widths of two slits in Young's experiment are in the ratio `4 : 1`. What is the ratio of the amplitudes of light waves from them ?

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`(w_(1))/(w_(2)) = (I_(1))/(I_(2)) = (a^(2))/(b^(2)) = (4)/(1)`
`:. (a)/(b) = 2 : 1`
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