Angle of a prism is `30^(@)` and its refractive index is `sqrt(2)` and one of the surface is silvered At what angle of incidence a ray should be incident on one surface so that after reflection from the silvered surface it retraces its pathA. `30^(@)`B. `60^(@)`C. `45^(@)`D. `sin^(-1)sqrt(1.5)`

Angle of a prism is `30^(@)` and its refractive index is `sqrt(2)` and

1.	Angle of a prism is `30^(@)` and its refractive index is `sqrt(2)` and one of the surface is silvered At what angle of incidence a ray should be incident on one surface so that after reflection from the silvered surface it retraces its pathA. `30^(@)`B. `60^(@)`C. `45^(@)`D. `sin^(-1)sqrt(1.5)`
Answer» Correct Answer - c

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Angle of a prism is `30^(@)` and its refractive index is `sqrt(2)` and one of the surface is silvered At what angle of incidence a ray should be incident on one surface so that after reflection from the silvered surface it retraces its pathA. `30^(@)`B. `60^(@)`C. `45^(@)`D. `sin^(-1)sqrt(1.5)`

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