NEET Class neet Answered
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Asked by Prashant DIGHE | 30 Jul, 2019, 08:11: AM
Expert Answer
If A is refracting angle of prism , when deviation is minimum, then angle of refraction r = A/2
Hence for refracting angle 60°, angle of refraction is 30° .
since refractive index μ = sin(i)/ sin(r) , angle of incidence i = sin-1[ μ sin(r) ] = sin-1[ √2 ×(1/2)] = 45°
Answered by Thiyagarajan K | 30 Jul, 2019, 03:46: PM
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