Question

explain snell's law​

Answer 1

sin i / sin r = n2 / n1

where,

i = the angle of incidence

r = angle of refraction

n1 = refractive index of medium 1

n2 = refractive index of medium 2

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Answer 2

It states that the ratio of the sine of the angle of incidence and refraction of light is constant when it passes between two given medium.

i.e. sini/sinr = μ = constant.

where, μ = refractive index