A concave mirror is
used by..
Dentist
Barber
Postmaster
worker
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1
Explanation:
Concave mirrors are used by dentists because they are converging mirrors and reflect light to the focal point.
Also, at a short range (object distances less than the focal length of the mirror) they produce enlarged, erect and virtual images. It is useful to have a magnified image of a tooth when repairing cavities, cracks, or other abnormalities.
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