The refracting angle of prism is A and refractive index of material of prism is cot A/2 …
Physics · JEE Advanced · NTA Exams — Optics
The refracting angle of prism is A and refractive index of material of prism is cot A/2 . The angle of minimum deviation is
- 180° – 3A
- 180° + 2A
- 90° – A
- 180° – 2A
Answer
(D) 180° – 2A
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