Time taken by light to braud theough 5cm of glass is same as that through of air. R.I. of glan is 1.5 (x) cm then cos is,

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Time taken by light to travel through
5cm of glass is same as that through
x cm of air. R.I. of glan is 1.5
(x)
then ca) is
Transcribed Image Text:Time taken by light to travel through 5cm of glass is same as that through x cm of air. R.I. of glan is 1.5 (x) then ca) is
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