A mirror is a smooth surface which can change the direction of light falling on it such that it returns to the same medium.

Q. A smooth polished surface which can return the rays of light into the same medium is called
(a) mirror
(b) lens
(c) prism
(d) table top

Q. a ray of light moving along a principal axis is falling on a concave mirror . in which direction it is reflected?

Q. Fill in the blanks with the correct words.

1. We get diffused reflection from a .................... (rough/smooth) surface.
2. A smooth polished surface that can return the rays of light incident on it to form a clear image is called a .................... (lens/mirror).
3. Convex and concave mirrors can both form .................... (real/virtual) images.
4. A lens is made of a .................... (translucent/transparent) material.
5. .................... (White/Blue) light consists of many colours.

Q. A mirror is a smooth surface which can change the direction of light falling on it such that it returns to the same medium.