The angle of incidence for a ray of light at a refracting surface of a prism is 45^@. The angle of prism is 60^@. If the ray suffers minimum deviation through the prism, the angle of minimum deviation and refractive index of the material of the prism respectively are:

The angle of incidence for a ray of light at a refracting surface of a

1.	The angle of incidence for a ray of light at a refracting surface of a prism is 45^@. The angle of prism is 60^@. If the ray suffers minimum deviation through the prism, the angle of minimum deviation and refractive index of the material of the prism respectively are:
Answer» `45^@,SQRT2` `30^@,sqrt2` `45^@,1/sqrt2` `30^@,1/sqrt2` ANSWER :B