First slide

Prism

Question

Deviation of 5° is observed from a prism whose angle is small and whose refractive index is 1.5. The angle of prism is

Moderate

A

7.5°
B

10°
C

5°
D

3.3°

Solution

$5 = (μ - 1) A = (1 .5 - 1) A \Rightarrow A = 10^{\circ}$

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