Question

For light incident from air on a slab of refractive index 2 the maximum possible angle of refraction

Answer 1

The maximum possible angle of refraction is 45°.

Explanation:

By using snails law :

By snails law

u1 sin(θ) 1 = u2 sin(θ) 2

• For maximum refractive angle incident angle = 90  degree
• For max refractive angle incident angle = 90 maximum angle is 45°
• Thus the maximum possible angle of refraction is 45°.

Also learn more

A ray of light strikes a glass plate at an angle of 60° with the glass surface. If the reflected and refracted rays are at right angles to each other, find the refractive index of the glass. ?

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