1. We see our image in a mirror many times. How it is formed?
2. During day time the light which falls on us gets reflected and a number of reflected light rays from us that fall on the mirror also get reflected back.
3. These reflected rays reach your eye and make us see our image.
4. See figure (a). Thus formation of image in mirrors is due to reflection of light rays from the mirror.

5. See the figure (b) and observe the lines. They will explain how the image of a candle is formed in the mirror and how we are able to see the image of the candle in the mirror
