Question

Differentiate between focus of a concave mirror and a convex mirror?

Answer 1

paramter focus of concave mirror

1. position it lies in front of the mirror
2. nature it is a real focus because the light rays after reflection from a concave mirror converge at the principal focus

parameter focus of convex mirror

1. position it lies behind the mirror
2. nature it is a virtual focus beause the light rays after reflection from a convex mirror appear to come from the principal focus