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The concave mirror reflects the bulb's light, and if the bulb is at the mirror's focus, sends it out as a parallel beam.

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Florine Wiza

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2y ago
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13y ago

becayse ray travelling parallel to the principal axis will refract so that it appears to come from the principal focus.

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Q: Why CONCAVE MIRRORS USED IN TORCH LIGHT?
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What is used to focus light in a refracting telescope?

Concave Mirrors


Which type of mirror is used by ENT doctors?

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.


Is a dental mirror concave or convex?

concave mirrors are used as dental mirrors. this is because concave mirrors produce highly magnified images which is useful in obtaining larger view of teeth and gums.


The uses of convex and concave mirrors?

Convex mirrors are used in the rear view mirror of cars because they give an erect and virtual image of the traffic behind. They let us see a wider view of the traffic. Concave mirrors are used by the dentists to see a larger image of our teeth. They are used as solar furnaces to reflect the light on the focus .They are even used in shaving mirrors. concave mirrors are used in reflector type telescopes. Concave mirrors are used by doctors to focus light into ears,throat etc. concave mirrors are used to focus light for heating purposes.


How are concave mirrors used in flashlights?

The light bulbs in flashlight are not powerful but the mirrors inside help reflect the light that is not directed in your direction


What is the function of concave mirror?

Concave mirrors focus light inward to one focal point. They are often used in telescopes and to magnify the face in makeup mirrors.


Why are concave mirrors useful for satellites?

Concave mirrors focus light on a specific point. That can increase the concentration of sun light on solar panels. Concave antennae are used to aim radio waves, as well as collect them and focus them on a receiver.


Where is a concave mirror used?

concave mirrors are used as rear view mirrors and serve dentists and used as reflectors


Why are concave mirrors used in flashlights and automobile headlights?

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.


Why are concave mirrors used in the head light of vehicles?

Concave mirrors are used because they will reflect a light source inside the curve in one general direction. To be more specific, the mirrors are close to parabolic. Parabolas have the property that light beams generated at the focal point of the parabola are all reflected parallel out of the mirror.


Application for concave mirror and convex mirror?

Concave mirrors are used in telescopes. Convex mirrors are used as side-view mirrors in cars.


What are 3 examples of concave mirrors?

-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.