Question

if angle of incidence is 60 degree then what will be the angle of refraction in glass medium​

Answer 1

let us take the refractive index of glass as 1.5

thge light ray will bend towards the normal and hence the angle of refration will be less than 60º

Answer 2

The angle of refraction of the ray in the glass media is equal to sin^-1 (1/√3).

Explanation:

• The refractive index a medium with respect to air is equal to the speed of light in air to the speed of light in that particular media.

• The refractive index of glass is about 1.5. According to the formula the refractive index =sin I/ sin r

• the angle of incidence is equal to 60 degree.

• Therefore the the value of sin r= sin I/1.5 = √3/ (2×1.5) = 1/√3

• So the angle of refraction is equal to sin¹ (1/√3)

To know more about refractive index,

give a formula to find refractive index of a slab in terms of angle of ..

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