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13/09/2021 10:53 am
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Find the value of the angle of emergence from the prism. Refractive index of the glass is √3.
(1) 60°
(2) 30°
(3) 45°
(4) 90°
1 Answer
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13/09/2021 10:57 am
Correct answer: (1) 60°
Explanation:
r1 + r2 = A = 30°
r2 = 30°(r1 = 0°)
from Snell's law
√3 sin r2 = 1 x sin e
√3 sin 30° = sin e
e = 60°