A ray of light is incident on a transparent medium at an angle of 60°. The reflected ray of light is found to be completely polarised. Then, the refractive index of the transparent medium is nearly:

A ray of light is incident on a transparent medium at an angle of 60°

1.	A ray of light is incident on a transparent medium at an angle of 60°. The reflected ray of light is found to be completely polarised. Then, the refractive index of the transparent medium is nearly:
A.	1.73
B.	1.62
C.	1.52
D.	1.33
Answer» B. 1.62