It concentrates the light so it penetrate the farthest distance.
It uses a concave mirror in order for the light to be concentrated to point forward.
because the mirror used is concave mirror.
why do we use concave mirror as converging mirror
Concave
-- auto headlights -- front end of a flashlight -- shaving mirror -- satellite TV dish
A concave mirror would focus the light back towards the focal point of the mirror. You would not be able to use the mirror effectively with a concave.
A concave mirror :)
mirror / salamin
It's convex.
Convex gives you the widest "field of view" (so someone does not have to be right behind you in order for you to see them).
Concave mirrors are used as the primary mirror in Newtonian and Dobsonian telescopes for astronomy observations. Concave mirrors are also used in mirror lenses for cameras.
a detist use concave mirrors to focus light on the tooth because when objects are kept very closee to concave mirrors they look larger, this makes concave mirrors useful for a dentist to focus light on the tooth.