Question

what is different betwewn focus of concave and convex mirror

Answer 1

focus of concave mirror in front of the mirror where it is also negative in sign
focus of convex mirror is behind the mirror where it is also positive in sign

Answer 2

focus of concave is formed in front of mirror
focus of convex is formed back of the mirror
concave mirror always give a real image but not in 6th case of concave mirror
convex mirror always give eract image.
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