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MHT CET Physics question

PhysicsRay Optics and Optical InstrumentsMHT CET

When light of wavelength is incident on an equilateral prism kept in its minimum deviation position, it is found that the angle of deviation equals the angle of the prism itself. The refractive index of the material of the prism for the wavelength , is

Answer: (A)

Solution

With , \dfrac{\sin\frac{A+δ_m}{2}}{\sin\frac{A}{2}}$ =

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Question ID VK-069352