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It directs the beam a certain way.
The light bulbs in flashlight are not powerful but the mirrors inside help reflect the light that is not directed in your direction
because the reflected light would spread out over a wide area if convex mirrors were used, whereas concave mirrors focus these reflected light rays into a beam, which give flash lights and headlights their unique characteristic.
Mirrors in flashlights and headlights, mirrors for shaving or make up. A mirror to make objects look bigger.
concave mirrors are used as rear view mirrors and serve dentists and used as reflectors
Concave mirrors are used in telescopes. Convex mirrors are used as side-view mirrors in cars.
-A car's headlight, reflector lamps. -Concave mirrors can be used as makeup or shaving mirrors because an enlarged image can be obtained using a concave image. -Concave mirrors can also be mirrors used for dentists to see an enlarged image of a tooth.
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.
Concave mirrors
Both concave and convex mirrors will distort the image of the face if used when applying make-up. Which is why flat mirrors are used instead.
CONCAVE
concave mirror is a solar device