Question

To show the formation of image by a plane mirror, we need at least _______ rays starting from object which fall on the mirror. Fill in the blank.

• A. 1
• B. 2
• C. 3
• D. 4

Answer 1

The correct option is B 2

Let $M{M}_1$ be a plane mirror in front of which a point object $O$ is placed from the object $O$, rays of light travel in all directions. To show the formation of image by a plane mirror, we need at least two rays starting from the point object $O$ which fall on the mirror $M{M}_1$