Physics · Optics
The refractive index of a prism with an apex angle A is cot(A/2). The angle of minimum deviation (δm) is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1δm = 180° - A
- 2δm = 180° - 2A✓
- 3δm = 180° - 3A
- 4δm = 180° - 4A
Correct answer
δm = 180° - 2A
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