Question

write laws of refraction

Answer 1

Snell's law (also known as Snell–Descarteslaw and the law of refraction) is a formula used to describe the relationship between the angles of incidence and refraction, when referring to light or other waves passing through a boundary between two different isotropic media,
such as water, glass, or air.

Answer 2

$\huge\mathfrak\red{Answer :}$


$\huge\textbf{Laws Of Refraction :}$


1) The incident ray, refracted ray and the normal; at the point of incidence all lie in the small plane.

2) The ratio of sine of angle of incidence with sine of angle of refraction is always equal to relative refractive index of medium 2 with respect to medium 1.

i.e.

μ1 sin i = μ2 sin r

OR

sin i ÷ sin r = μ2 ÷ μ1

μ1 = medium in which incident ray.

μ2 = medium in which refracted ray.

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