Question

Write one example for the following.

1.	A surface that would gives a diffused reflection	....................
2.	A surface (other than silvered glass) that could act as a mirror	....................
3.	A mirror that always makes things look smaller	....................
4.	An object/surface that can split white light into its constituent colours	....................
5.	A device that can be used to show that the different colours of the spectrum combine to give white light	....................

Answer 1

1. A rough surface such as white paper would produce a diffused reflection.
2. A highly polished metal surface such as a steel plate acts like a mirror.
3. Convex mirrors make things look smaller.
4. A glass prism can split the white light into its constituent colours.
5. Newton’s Disc is a device which can be used to show that different colours of the spectrum combine to give white light.