MEDIUM
7th CBSE
IMPORTANT
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You have a concave mirror. Where will you place an object to see an erect and magnified image?

Important Questions on Light

MEDIUM
7th CBSE
IMPORTANT
You have a convex lens. Where will you place an object to see an erect and magnified image?
MEDIUM
7th CBSE
IMPORTANT
Mention two uses of a concave mirror.
MEDIUM
7th CBSE
IMPORTANT
State two uses of a convex lens.
EASY
7th CBSE
IMPORTANT
What is white light?
MEDIUM
7th CBSE
IMPORTANT
Why is the image formed by a pinhole inverted?
MEDIUM
7th CBSE
IMPORTANT
What happens when parallel rays of light fall on a curved reflecting surface?
MEDIUM
7th CBSE
IMPORTANT
Convex mirrors are used as rear-view mirrors. Why?
EASY
7th CBSE
IMPORTANT
What do you understand by the spectrum of white light?