Light can travel anywhere. No!

Classical Mechanics Level 2

The angle of incidence in air for a ray of light is 4 0 ∘ 40^{\circ} . If the ray travels through the water of refractive index 4 3 \dfrac{4}{3} , find the angle of refraction.

28.82 29.44 27.55 26 53.3

Anish Harsha by Anish Harsha , 20, India

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1 solution

Abhiram Rao
May 8, 2016

Relevant wiki: Snell's Law

Use Snell's Law. sin i / sin r = 4/3. sin 40 ~ 0.64

0.64/sin r = 4/3, r = 28.82 degrees

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