Question

what is the difference between principal focus of concave and convex mirrors

Answer 1

In convex lens, Principal focus is in front of the lens but in concave lens Principal focus is behind the lens.

Answer 2

$\huge\mathbb{ANSWER}}$

$\texttt{concave mirror:-}$

➜the points at which rats parallel to principal axis coming from infinity converge after being reflected from concave mirror is called the principal focus of concave mirror

$\texttt{convex mirror :}}}$

➜ the point which rays parallel to principal axis coming from infinity appear to converge after being reflected from Convex mirror is called the principal focus of convex mirror