Question

write the laws of refraction of light ?

Answer 1

So Laws of refraction of light are

-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 is a constant, for the light of a given color and for the given pair of media. This law is also known as Snell�s law of refraction.

For light, refraction follows Snell's law, which states that, for a given pair of media, the ratio of the sines of the angle of incidence θ1 and angle of refraction θ2 is equal to the ratio of phase velocities (v1 / v2) in the two media, or equivalently, to the indices of refraction (n2 / n1) of the two media.

Answer 2

Hello...

The laws of refraction of light are:

1. the incident ray, the refracted Ray and the normal to the surface separating the two medium lie in the same plane.

2. the ratio of the sin of the incident angle to the sin of the refracted angle is a constant for a pair of 2 medium.
$\sin(i) \div \sin(r) = constant(n)$
This law is known as Snells law.

Hope my answer will help you..

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