Which type of mirror is used to see the traffic coming from behind a car ?

In driving a car which type of mirror would you like to use for observing traffic at your back?

The type of mirror used in the headlight of a car is:

The mirror, which is used in searchlights, is –

Microscope is used for the study of which of the following?

Which one of the following is not true about the image formed by a plane mirror?