write the use of concave me
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Concave mirrors are commonly used in torches, searchlights and headlights of vehicles to get powerful parallel beams of light. They are used as shaving mirrors to see a larger image of the face. Dentists use concave mirrors to view large images of the teeth of the patients
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It is used as a torch to reflect the light, It is used in the aircraft landing at the airports to guide the aeroplanes, It is used in shaving to get an enlarged and erect image of the face.
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