What is snell's law?
Snell's law:
"The proportion of the sine of the angle of incidence to the sine of the angle of refraction remains a constant, considering light of a particular color as well as for the specific combination of media," according to Snell's law.
Mathematical representation:
Here,
is the incident index of 1st medium.
is the refracted index of 2nd medium.
is the angle of incidence.
is the angle refraction.