Page 2 - HA-refraction of light
P. 2
Subjective Questions:
1. A ray of light travelling in air enters obliquely into water. Does the light ray bend
towards the normal or away from the normal? Why?
2. State two conditions under which a ray of light suffering refraction from medium
1 to medium 2 does not undergo any change in direction.
3. Which physical quantity changes when a ray of light passes from one medium
to another? Which physical quantity remains constant?
4. A ray of light while travelling in a medium falls normally on the surface of
another medium. What will happen to the light ray?
5. Why a coin placed at the bottom of a container appears to rise upward as the container is
slowly filled with water?
