EASY
10th CBSE
IMPORTANT
Earn 100

Define aperture of a spherical mirror with the help of a labelled diagram.

Important Questions on Reflection of Light

EASY
10th CBSE
IMPORTANT
Draw diagram to show the action of convex mirror on a beam of parallel light rays. Mark on this diagram principal axis, focus F, centre of curvature C, pole Pand focal length f, of the convex mirror.
EASY
10th CBSE
IMPORTANT
In a convex spherical mirror, reflection of light takes place at:
EASY
10th CBSE
IMPORTANT
If R is the radius of curvature of a spherical mirror and f is its focal length, then:
EASY
10th CBSE
IMPORTANT

When a spherical mirror is held towards the sun and its sharp image is formed on a piece of carbon paper for some time, a hole is burnt in the carbon paper. What is the nature of spherical mirror?

(Choose from the following: Concave mirror/ Convex mirror)

EASY
10th CBSE
IMPORTANT

Draw the following diagram in your answer book and show the formation of image of the object AB with the help of suitable rays:

MEDIUM
10th CBSE
IMPORTANT
Name the type of mirror used by dentists. How does it help?
EASY
10th CBSE
IMPORTANT
State one use of concave mirror based on the formation of image between its pole and focus.
MEDIUM
10th CBSE
IMPORTANT

A concave mirror has a focal length of 25 cm. At which of the following distance should a person hold his face from this concave mirror so that it may act as a shaving mirror? Give reason for your choice.