EASY
7th CBSE
IMPORTANT
Earn 100
Give reasons for the following.
Concave mirrors are used by dentists.
Important Questions on Light
EASY
7th CBSE
IMPORTANT
Give reasons for the following.
The word AMBULANCE is written as
on the vehicles.
EASY
7th CBSE
IMPORTANT
Give reasons for the following.
Concave mirrors are used as shaving mirrors.
EASY
7th CBSE
IMPORTANT
Give reasons for the following.
Light cannot be seen through a bent pipe.
EASY
7th CBSE
IMPORTANT
Give one word for the following.
Another name for primary colours.
EASY
7th CBSE
IMPORTANT
Give one word for the following.
Splitting of white light into seven colours. (Scattering/Dispersion)
EASY
7th CBSE
IMPORTANT
Give one word for the following.
A triangular three-dimensional device made of glass.
EASY
7th CBSE
IMPORTANT
Give one word for the following.
The lens which always forms an erect, virtual and smaller image than the object.
(Choose the answer from the following- Concave lens/Convex lens)
EASY
7th CBSE
IMPORTANT
Give one word for the following.
The lens, which can form a real and inverted image.
