The refractive index of a prism for amono-chromatic wave is sqrt2 and its refracting angle is 60^@ For minimum deviation the angle of incidence will be

The refractive index of a prism for amono-chromatic wave is sqrt2 and

1.	The refractive index of a prism for amono-chromatic wave is sqrt2 and its refracting angle is 60^@ For minimum deviation the angle of incidence will be
Answer» `30^@` `45^@` `60^@` `75^@` Answer :B