1Which sources of light can you see around you? Name them.
2What is reflection of light? Does reflection happen in the same way on every object?
3What kinds of mirrors have you seen?
4What difference do you see between the front and the back surface of a steel spoon? What are those surfaces called?
5A torch has a concave mirror in it to reflect the light, and the bulb is placed at its centre. Why is that?
6Switch on a torch or a search light and watch it. How far does the concave mirror in it carry the light?
7Drivers use convex mirrors as the side mirrors on the right and the left of a vehicle to see behind. Why?
8Which mirror is used in a street lamp to spread the light over a large area?
9What are the three things that happen when light falls on an object?
10Why is a concave mirror also called a converging mirror?
11What does a convex mirror do to parallel rays? Where do the reflected rays seem to come from?
12Nothing can be seen even when a big mirror is kept in a dark room. Why?