EASY
8th CBSE
IMPORTANT
Earn 100

What is the blind spot? Where is it located?

Important Questions on Refraction of Light

MEDIUM
8th CBSE
IMPORTANT

What causes congenital blindness?

EASY
8th CBSE
IMPORTANT

What kind of diet is good for the health of the eyes?

MEDIUM
8th CBSE
IMPORTANT
Give reasons for the following:
A pencil dipped in water appears bent at the surface of the water.
MEDIUM
8th CBSE
IMPORTANT
Give reasons for the following:
The bottom of a glass of water appears raised when seen from above.
MEDIUM
8th CBSE
IMPORTANT
Stars appear to be slightly higher in the sky than they actually are. Why is this so?
MEDIUM
8th CBSE
IMPORTANT
Describe, giving reasons, the path a ray of light incident on a glass slab takes till it emerges from the slab.
MEDIUM
8th CBSE
IMPORTANT
Describe an experiment to prove that white light is made up of light of seven colours.
MEDIUM
8th CBSE
IMPORTANT
Draw a labelled diagram of the eye. Explain how light enters the eye, how and where the image is formed and how the image is transmitted to the brain.