Question

what is concave mirror in short answer??​

Answer 1

Answer:

concave mirror:- If the convex surface of a hollow glass hemisphere is silvered then it becomes a concave mirror.

Explanation:

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Answer 2

Answer:

A concave mirror has a reflective surface that is curved inward and away from the light source. A concave mirror is a spherical mirror with an inwardly curved reflection surface, whereas a convex mirror is a spherical mirror with an outwardly bulged reflecting surface. The examples of concave mirrors are the mirrors used in automobile head lights, reflecting telescopes, torch lights, etc. The examples of convex mirrors are the mirrors used as rear side mirrors of vehicles, optical instruments, calling bell, etc.

Explanation: