EASY
10th CBSE
IMPORTANT
Earn 100

What is a convex mirror?

Important Questions on Light - Reflection and Refraction

EASY
10th CBSE
IMPORTANT

Define principal axis of a mirror.

EASY
10th CBSE
IMPORTANT

Give one use of convex mirror.

EASY
10th CBSE
IMPORTANT

Define principal focus of a concave mirror.

EASY
10th CBSE
IMPORTANT

What type of spherical mirror is used in search lights? Why?

EASY
10th CBSE
IMPORTANT

Name the mirror which is used in headlights of vehicles.

EASY
10th CBSE
IMPORTANT
The focal length of a concave mirror is 20 cm. Find its radius of curvature.
MEDIUM
10th CBSE
IMPORTANT
A  2 cm high object is placed at a distance of 20 cm from a concave mirror. A real image is formed at 40 cm from the mirror. Calculate the focal length (in cm) of the mirror.