MEDIUM
7th CBSE
IMPORTANT
Earn 100

With the help of a ray diagram, explain the following term: focal length of a convex lens.

Important Questions on Light

EASY
7th CBSE
IMPORTANT
Makeup mirrors are _____ mirrors.
MEDIUM
7th CBSE
IMPORTANT
What is meant by dispersion of light?
MEDIUM
7th CBSE
IMPORTANT
With the help of a diagram, show the dispersion of white light of a prism.
EASY
7th CBSE
IMPORTANT
Name the natural phenomena which is caused by the dispersion of light.