Question

an object is placed 18cm in front of a spherical mirror if the image is formed at 4 cm to the right of the mirror calculate its focal length is the mirror convex or concave what is the nature of the image draw the ray diagram for the given situation

Answer 1

u =-18cm
v=+4cm
1/f=1/v+1/u

=1/4+(-1/18)
=0.194cm
mirror is convex
virtual and errect