EASY
7th CBSE
IMPORTANT
Earn 100

Write down the characteristics of images formed by the plane mirror.

Important Questions on Light

EASY
7th CBSE
IMPORTANT
Differentiate between real and virtual images.
EASY
7th CBSE
IMPORTANT
Write down three uses of curved mirrors.
EASY
7th CBSE
IMPORTANT
Why are concave mirrors used as dentist's mirrors?
EASY
7th CBSE
IMPORTANT
Would you use a convex or a concave lens if you want to focus the sun's rays to a point?
EASY
7th CBSE
IMPORTANT
How can we make a band of colours from white light? What is this band of colours called?
EASY
7th CBSE
IMPORTANT
Explain an activity to show how can we make a coloured disc white.
MEDIUM
7th CBSE
IMPORTANT
Look at yourself in two plane mirrors, one big and one small. Will you appear bigger in the bigger mirror? (Hint: Think of the image characteristics of a plane mirror)
EASY
7th CBSE
IMPORTANT
Will a Newton's Disc appear white even if is rotated very slowly? (Hint: think of what makes the disc appear white)