Question

what are the laws of refraction ???​

Answer 1

Explanation:

1. The incident ray, refracted ray and the normal ( at the point of incidence) all lie in a same plane.
2. The angle of incidence is equal to the angle of refraction.

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Answer 2

Answer:

LAWS OF REFRACTION:

• The incident ray, the refracted ray and the normal to the interface of two transparent media at the point of incidence, all lie in the same plane.

• The ratio of sine of angle of incidence to the sine of angle of refraction for light of given colour is constant for a given pair of media (Snell's law). It is expressed as

$\frac{sin \: i}{sin \: r} = n \: = constant$

This constant is known as refractive index (n).

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