A ray of light at an angle of incidence 60 degrees on a refracted surface.If the reflected and refracted rays are perpendicular to each other, what is the refractive index of the medium ?
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sketch the diagram yourself . u will find
i + r = 90°
now refractive index of the medium
μ = sini/sinr
= sini/sin(90° - i) as i + r = 90°
= sini/cosi
= tani
and as i = 60° so μ = tani = tan 60° = √3
i + r = 90°
now refractive index of the medium
μ = sini/sinr
= sini/sin(90° - i) as i + r = 90°
= sini/cosi
= tani
and as i = 60° so μ = tani = tan 60° = √3
sowmyasreemajj:
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