MEDIUM
10th CBSE
IMPORTANT
Earn 100

Draw a ray diagram to explain the term angle of deviation.

Important Questions on The Human Eye and the Colourful World

MEDIUM
10th CBSE
IMPORTANT
Why do component colours of incident white light split into a spectrum while passing through a glass prism, explain?
MEDIUM
10th CBSE
IMPORTANT
Draw a labelled diagram to show the formation of a rainbow.
HARD
10th CBSE
IMPORTANT
What is atmospheric refraction? On the basis of this explain (a) how sun can be seen two minutes before sunrise (b) stars appear higher than their actual position (c) stars twinkle.
EASY
10th CBSE
IMPORTANT
The intensity of light entering the eye is controlled by
EASY
10th CBSE
IMPORTANT
A prism splits up a beam of white light into seven colours because _____ is different for different colour.
EASY
10th CBSE
IMPORTANT
Ciliary muscles can change the focal length of eye lens. This phenomenon is responsible for