A ray of light travels in the way as sho...

A ray of light travels in the way as shown in the figure. After passing through water, theray grazes along the water air interface. The value of `mu_(g)` interms of I is `(mu_(w)=4//3)`

`(1)/(sin i)`

`(3)/(4 sin i )`

`(4)/(3 sin i )`

sin i

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