A ray of light is incident at an angle of `60^(@)` on one face of a prism of angle `30^(@)`. The ray emerging out of the prism makes an angle of `30^(@)` with the incident ray. The emergent ray isA. `0^(@)`B. `45^(@)`C. `90^(@)`D. `30^(@)`

A ray of light is incident at an angle of `60^(@)` on one face of a pr

1.	A ray of light is incident at an angle of `60^(@)` on one face of a prism of angle `30^(@)`. The ray emerging out of the prism makes an angle of `30^(@)` with the incident ray. The emergent ray isA. `0^(@)`B. `45^(@)`C. `90^(@)`D. `30^(@)`
Answer» Correct Answer - D

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A ray of light is incident at an angle of `60^(@)` on one face of a prism of angle `30^(@)`. The ray emerging out of the prism makes an angle of `30^(@)` with the incident ray. The emergent ray isA. `0^(@)`B. `45^(@)`C. `90^(@)`D. `30^(@)`

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