The angle of a prism is `60^(@)`. When light is incident at an angle of `60^(@)`on the prism, the angle of emergence is `40^(@)`. The angle of incidence i for which the light ray will deviate the least is such thatA. `I lt 40^(@)`B. `40^(@) lt I lt 50^(@)`C. `50^(@) lt I lt 60^(@)`D. `I gt 60^(@)`

The angle of a prism is `60^(@)`. When light is incident at an angle o

1.	The angle of a prism is `60^(@)`. When light is incident at an angle of `60^(@)`on the prism, the angle of emergence is `40^(@)`. The angle of incidence i for which the light ray will deviate the least is such thatA. `I lt 40^(@)`B. `40^(@) lt I lt 50^(@)`C. `50^(@) lt I lt 60^(@)`D. `I gt 60^(@)`
Answer» Correct Answer - B

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The angle of a prism is `60^(@)`. When light is incident at an angle of `60^(@)`on the prism, the angle of emergence is `40^(@)`. The angle of incidence i for which the light ray will deviate the least is such thatA. `I lt 40^(@)`B. `40^(@) lt I lt 50^(@)`C. `50^(@) lt I lt 60^(@)`D. `I gt 60^(@)`

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