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Geometrical Optics question

2021 · Q137
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Geometrical Optics question

2021 · Q137

NEETPhysicsGeometrical OpticsMCQ+4 / −1
Find the value of the angle of emergence from the prism. Refractive index of the glass is 3\sqrt 33​

NEET 2021 Physics - Geometrical Optics Question 20 English
  1. A
    90∘^\circ∘
  2. B
    60∘^\circ∘
  3. C
    30∘^\circ∘
  4. D
    45∘^\circ∘
View written solutionFree

Correct answer: B

NEET 2021 Physics - Geometrical Optics Question 20 English Explanation


from Snell's law

3\sqrt 3 3​ sin 30o = 1 ×\times× sin r

⇒\Rightarrow⇒ r = 60o

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