HARD
7th CBSE
IMPORTANT
Earn 100

How is a virtual image formed by a concave mirror and a convex mirror? Draw suitable diagrams.

Important Questions on Light and Reflection

EASY
7th CBSE
IMPORTANT

What happens when:

light falls on a shiny surface.

 

EASY
7th CBSE
IMPORTANT

What happens when:

a circular disc of seven colours is rotated at a high speed?

EASY
7th CBSE
IMPORTANT
What type of lens is an air bubble inside water?
MEDIUM
7th CBSE
IMPORTANT
Can light be concentrated using mirrors? Can it be amplified using mirrors? Give reasons for both of your answers.
MEDIUM
7th CBSE
IMPORTANT
You are given a concave mirror and a convex mirror. How can you differentiate between them without touching?
EASY
7th CBSE
IMPORTANT
Karuna has a big and a small plane mirrors. Compare the image formed by these two mirrors of the same object.
MEDIUM
7th CBSE
IMPORTANT
Why is the sky blue and the sunset is red?