EASY
7th CBSE
IMPORTANT
Earn 100

Name five English alphabets which do not show lateral inversion on suffering reflection from a plane mirror.
 

Important Questions on Light

EASY
7th CBSE
IMPORTANT
You are standing at a distance of 1 m from a plane mirror. What is the distance between you and your image?
EASY
7th CBSE
IMPORTANT
The right appears left in a plane mirror. What is this phenomenon called?
EASY
7th CBSE
IMPORTANT
What is a spherical mirror whose inner side is the reflecting surface called?
EASY
7th CBSE
IMPORTANT
Sunrays falling on a concave mirror after reflection are allowed to fall on pieces of paper. The paper start burning. What is the focal length of the mirror?
 
EASY
7th CBSE
IMPORTANT
Under what conditions, should a concave mirror, form virtual image?
EASY
7th CBSE
IMPORTANT
Which mirror is used as a dentist’s mirror?
EASY
7th CBSE
IMPORTANT
Which mirror is used as a side-view mirror in automobiles?
EASY
7th CBSE
IMPORTANT
A lens is thicker at the edges and thinner in the middle. Can it burn pieces of paper by focussing sunlight?