Draw a ray diagram showing the formation of image of a point object by a plane mirror.

The following diagram shows a point object O placed in front of a plane mirror. Take two rays from the point O and show how the image of O is formed and seen by the eye.

What is meant by lateral inversion of an image in a plane mirror? Explain it with the help of a ray diagram.

The leaves appear green when seen in white light. Give a reason.