Lakhmir Singh and Manjit Kaur Solutions for Chapter: Refraction of Light, Exercise 6: Very Short Answer Type Questions

Write the relation between the angle of incidence and the angle of refraction for a medium.

What is the unit of refractive index?

Which has higher refractive index: Water or glass?

Refractive indices of carbon disulphide and ethyl alcohol are $1.63$ and $1.36$ respectively. Which is optically denser?

The refractive index of diamond is $2.42$. What is the meaning of this statement in relation to the speed of light?

If the refractive index for light going from air to diamond be $2.42$, what will be the refractive index for light going from diamond to air? 

How is the refractive index of a material related to the speed of light in it?

When a ray of light goes from air into a clear material, you see the ray bend. How much the ray bends is determined by the _____ of the material.