Question

define the principal focus of a concave mirror right to use of a convex mirror

Answer 1

for a concave mirror. the rays traveling parallel to the principal axis of a mirror after reflection past through a point of this point as is known as the principal focus of concave mirror.it is real point in front of a mirror .

for a convex mirror the rays traveling parallel to the principal axis of a mirror after reflection appeared the diverge from a point of on the principal access this point f is known as the principle of the focus of the convex mirror . it is a virtual point behind the mirror

Answer 2

focus on both mirror