Question

If a ray of light travelling in air is incident on the water surface obliquely. draw a ray diagrams and show the chang in the path in water

Answer 1

it will bend towards normal because it is travelling from rarer to denser medium

Answer 2

Answer:

Draw a ray diagram showing the path of rays of light when it enters with oblique incidence (i) from air into water; (ii) from water into air.

Ans. 

1. the light slows down when it passes from a rarer medium into a denser medium.Also, the light ray bends more towards the normal.(left image)

2.from a denser medium to a rarer medium the light ray bends away from the normal.(right image)