If angle of minimum deviation through an equilateral prism is 40, angle of incidence (being equal to angle of emergence) would be |
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(a) |
50 |
(b) |
60 |
(c) |
40 |
(d) |

If angle of minimum deviation through an equilateral prism is 40, angle of incidence (being equal to angle of emergence) would be |
|||||||

(a) |
50 |
(b) |
60 |
(c) |
40 |
(d) |

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