EASY
10th CBSE
IMPORTANT
Earn 100

An object of size 7.0 cm is placed at 27 cm in front of a concave mirror of focal length 18 cm. At what distance from the mirror should a screen be placed so that a sharp focused image can be obtained? Find the size and nature of image.

Important Questions on Reflection of Light

EASY
10th CBSE
IMPORTANT
An object 3 cm high is placed at a distance of 10 cm in front of a converging mirror of focal length 20 cm. Find the position, nature and size of the image formed.
EASY
10th CBSE
IMPORTANT
A concave mirror has a focal length of 4 cm and an object 2 cm tall is placed 9 cm away from it. Find the nature, position and size of the image formed.
EASY
10th CBSE
IMPORTANT
When an object is placed 20 cm from a concave mirror, a real image magnified three times is formed. Find the focal length of the mirror.
MEDIUM
10th CBSE
IMPORTANT
When an object is placed 20 cm from a concave mirror, a real image magnified three times is formed. Find where must the object be placed to give a virtual image three times the height of the object?
MEDIUM
10th CBSE
IMPORTANT

A dentist’s mirror has a radius of curvature of 3 cm. How far must it be placed from a small dental cavity to give a virtual image of the cavity that is magnified five times?

EASY
10th CBSE
IMPORTANT
A large concave mirror has a radius of curvature of 1.5 m. A person stands 10 m in front of the mirror. Where is the person’s image?
EASY
10th CBSE
IMPORTANT
An object of 5.0 cm size is placed at a distance of 20.0 cm from a converging mirror of focal length 15.0 cm. At what distance from the mirror should a screen be placed to get the sharp image? Also, calculate the size of the image.
EASY
10th CBSE
IMPORTANT
A concave mirror produces three times enlarged virtual image of an object placed at 10 cm in front of it. Calculate the radius of curvature of the mirror.