Home
Class 12
PHYSICS
A concave mirror has focal length 15 cm....

A concave mirror has focal length 15 cm. Where should an object be placed in front of the mirror so that the image formed is three times the size of the object?
(i) 7.5 cm
(ii) 10 cm
(iii) 17.5 cm
(iv) 20 cm

Promotional Banner

Similar Questions

Explore conceptually related problems

The focal length of a concave mirror is 30 cm.Find the position of the object in front of the mirror,so that the image is three times the size of the objects.

The focal length of a concave mirror is 30 cm.Find the position of the object in front of the mirror,so that the image is three times the size of the objects.

A concave mirror has a focal length of 10 cm. Where can we place the object so that the image formed is magnified to twice the size of object ?

The focal length of a concave mirror is 30 cm.Find the position of the object in front of the mirror,so that the image is there times the size of the objects.

Find two positions of an object, placed in front of a concave mirror of focal length 15cm, so that the image formed is 3 times the size of the object.

An object is placed in front of a convex mirror of focal length 60 cm. If image formed is half the size of the object, the position of the image

A concave mirror forms a real image of an object placed in front of it at a distance 30 cm, of size three times the size of object. Find the focal length of mirror.

At what distance in front of a concave mirror of focal length 10 cm, an object be placed so that its real image of size five times that of the object is obtained?