A ray of light is incident is 60^@ on a prism of refracting angle 30^@. The emerging ray is at an angle 30^@ with the incident ray. The value of refractive index of the prism is:

A ray of light is incident is 60^@ on a prism of refracting angle 30^@

1.	A ray of light is incident is 60^@ on a prism of refracting angle 30^@. The emerging ray is at an angle 30^@ with the incident ray. The value of refractive index of the prism is:
Answer» `SQRT3/4` `sqrt3/2` `sqrt3` `2SQRT3` ANSWER :C