In the figure, a ray of light falls on f...

In the figure, a ray of light falls on face 1 of piece of glass (refractive index `mu`) kept in air, and emerge from face 3. Which angle is independent of `mu` ?

`i+e+delta`

`i+e-delta`

`(i+e)/(2)`

`(i+e)/(2)-delta`

Text Solution

Verified by Experts

The correct Answer is:

`delta=i-r_(1)+e-r_(2)=(i+e)-(r_(1)+r_(2))impliesi+e-delta=A`

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