JEE Main 2022 Physics question
The X-Y plane be taken as the boundary between two transparent media and in has a refractive index of and with Z < 0 has a refractive index of . A ray of light travelling in along the direction given by the vector , is incident on the plane of separation. The value of difference between the angle of incident in and the angle of refraction in will be degree.
Answer: 15
Solution
The angle of incidence i is the angle between and the normal (the z-axis): cos , so i = 60°. By Snell's
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