Question

what is difference between concave and convex

Answer 1

concave :-
1)the reflecting surface of a concave mirror curves in ward...
2)the rays after reflection seems to be converge at a point on the principal axis of a concave mirror
3) focal point of concave mirror is virtual
4)concave has positive curvature

CONVEx :-
1)the surface is bulged out
2)rays after reflection seems to be diverge from point on other side
3) focal point is real
4)CONVEx has negative curvature

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