Question

What are laws of refraction??


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Answer 1

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gdmrng!!!

☆ The incident ray the normal ray and the reflected ray at the point of incidence all line on the same plane.

☆ Acc to Snell law.-

its equal to the

The ratio of sine of angle if incidence to the ratio of sine of angle of reflection remains constant at the given pair of the media.

• The constant is also known as " refractive index"

• Its a unit less quantity.

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Answer 2

$\textbf{ \underline{Law of refraction}}$

◆ The incident ray, the refracted ray and the normal to the surface at the point of incidence all lie in one plane.

◆ For any two given pair of media, the ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant.

i.e. sin i/ sin r = RI ( of second medium with respect to first)