Question

10 Define refraction. What happens when a ray passes from
a) a rarer medium to a denser medium
b) a denser medium to a rarer medium​

Answer 1

Answer:

here is your answer hope it will help you

Answer 2

Answer:

The bending of light ray when it travels from one medium to another is known as refraction of light.

a) When a light ray passes from a rarer medium to a denser medium, it bends towards the normal.

b) When a light ray passes from a denser medium to a rarer medium, it bends away from the normal.