direction: think whether the given objects below act as a CONCAVE or CONVEX.
1.vehicle side view mirror
2.outer surface of a spoon
3.head light of motorcycle
4.mouth mirror used by a dentist
5.inner surface of a spoon
6.head lamp
7.calling bell
8.mirrors in supermarkets
9.globe
10.flashlight
11.shaving mirror
12.astronomical telescope
13.street light reflector
14.ceiling dome mirrors
15.microscope
