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Question: In given figure, at water air interface light ray incident at critical angle then the value of µ<sub...

In given figure, at water air interface light ray incident at critical angle then the value of µg is –

A

B

1sin⁡i\frac { 1 } { \sin i }

C

D

None of these

Answer

1sin⁡i\frac { 1 } { \sin i }

Explanation

Solution

By snell's law air = glass

1 × sin 900 = µg sin i

µg = 1sin⁡i\frac { 1 } { \sin i }