NEET2016Physics-Optics
NEET 2016 Physics Prism and Dispersion MCQ Question
Type: MCQ-numerical-Hard-Class 12
The angle of incidence for a ray of light at a refracting surface of a prism is 45°. The angle of prism is 60°. If the ray suffers minimum deviation through the prism, the angle of minimum deviation and refractive index of the material of the prism respectively, are
A
45°, √2
B
30°, 1/√2
C
45°, 1/√2
D
30°, √2
Correct Answer
Option D
Detailed Explanation
For minimum deviation, the angle of incidence equals the angle of emergence. Using the prism formula and given angles, the refractive index is calculated.
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