Concave lenses are used todiverge rays of light.
why do we use concave mirror as converging mirror
Concave
A concave lens is thinner at the centre. People who are short sighted often use a concave lens to help them see better.
The melon was so rotten that it became concave when it was pressed on.
For laser construction...
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 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 :)
Use a magnifying lens. (concave)
You would use a concave mirror to view an enlarged image of an object. Concave mirrors can focus light rays to create a magnified image that appears larger than the actual object.
doctors use concave mirror for examination of ear nose throat and eyes because when something is placed between focal length and pole of a concave mirror the doctor sees an enlarged, erect and virtual image of his nose, ears etc..
Doctors use concave mirrors, in motor cars convex mirrors as rear view mirrors and in case of solar cookers concave mirrors to concentrate solar radiations.