Question

A spherical mirror produces an image of magnification –1 on a screen placed at a distance of 50 cm

from the mirror. What is the focal length of the mirror​

Answer 1

Explanation:

Magnification is given by.

• (a) As image formation is on the screen and is a real image. Therefore, the mirror will be concave mirror.
• (b) The distance of the image from the object will be -50 cm.

Answer 2

Answer:

Magnification is given by. (a) As image formation is on the screen and is a real image. Therefore, the mirror will be concave mirror. (b) The distance of the image from the object will be -50 cm