EASY
10th CBSE
IMPORTANT
Earn 100

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

Important Questions on Refraction of Light
EASY
10th CBSE
IMPORTANT
The refractive index of diamond is . What is the meaning of this statement in relation to the speed of light?

EASY
10th CBSE
IMPORTANT
If the refractive index for light going from air to diamond be , what will be the refractive index for light going from diamond to air?

EASY
10th CBSE
IMPORTANT
How is the refractive index of a material related to the speed of light in it?

EASY
10th CBSE
IMPORTANT
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.

EASY
10th CBSE
IMPORTANT
Give three examples of materials that refract light rays. What happens to the speed of light rays when they enter these materials?

EASY
10th CBSE
IMPORTANT
Define Snell's Law of refraction. A ray of light is incident on a glass slab at an angle of incidence of . If the angle of refraction be , calculate the refractive index of glass. (Given: , and ).

MEDIUM
10th CBSE
IMPORTANT
The speed of light in vacuum and in two different glasses is given in the table below:
Medium | Speed of Light |
Vacuum | |
Flint glass | |
Crown glass |
Calculate the absolute refractive indices of flint glass and crown glass.

MEDIUM
10th CBSE
IMPORTANT
The speed of light in vacuum and in two different glasses is given in the table below:
Medium | Speed of Light |
Vacuum | |
Flint glass | |
Crown glass |
Calculate the relative refractive index for light going from crown glass to flint glass.
