EASY
7th CBSE
IMPORTANT
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What is magnifying glass?

Important Questions on Light

MEDIUM
7th CBSE
IMPORTANT
What kind of image is formed when a convex lens is placed between the screen and the source of light?
EASY
7th CBSE
IMPORTANT
What kind of image is formed when a concave lens is held between the screen and the source of light?
EASY
7th CBSE
IMPORTANT
When is a rainbow formed in the sky?
EASY
7th CBSE
IMPORTANT
Why do we find a rainbow only in the forenoon or afternoon and not at noon?
EASY
7th CBSE
IMPORTANT
Name the seven colours in rainbow.
MEDIUM
7th CBSE
IMPORTANT
How are the seven colours of light arranged in a rainbow?
EASY
7th CBSE
IMPORTANT
Give the name of the phenomenon which results in the formation of a rainbow.
MEDIUM
7th CBSE
IMPORTANT
How do we experimentally show that white light is composed of seven colours?