Question

A ray of light is incident at an angle i while travelling from denser to rarer medium. The reflected and refracted rays are mutually perpendicular. If the angle of incidence is 30°, then the refractive index of rarer medium w.r.t denser medium is

Answer 1

heya dude !

heya dude !Am here to help you out.the angle at which the refracted and reflected rays are perpendicular to each other is called as brewsters angle .

heya dude !Am here to help you out.the angle at which the refracted and reflected rays are perpendicular to each other is called as brewsters angle .at this brewster angle the tangent of the brewster angle is equal to the refractive index of the denser medium.

heya dude !Am here to help you out.the angle at which the refracted and reflected rays are perpendicular to each other is called as brewsters angle .at this brewster angle the tangent of the brewster angle is equal to the refractive index of the denser medium.so , back to index of the medium = tan(30°)=1/√3hope this answers help you .

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Answer 2

Answer:

index of the medium = tan(30°)=1/√3