Question

Read the passage carefully and answer the
following questions
The path of a light ray from air to two different
media A and B for a given angle of incidence is
as shiwn
If the angle of incidence is increased in
both media, then the angle of refraction will​

Answer 1

Angle of refraction will decrease in both media.

According to Snell's law: The ratio of angle of incidence to the angle of refraction is a constant, for the light of the given wavelength and for the given media.

Snell's law gives the relation between angle of incidence, the angle of refraction and refractive index for a given media.

sin i/ sin r = constant =μ

(Where i is angle of incidence and r is angle of refraction).

Now,

If the angle of incidence increases for a given media, then the angle of refraction will decrease in the same proportion to keep the ratio constant.

Hence, angle of refraction will decrease in both media.

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