Question

An object is placed at a distance of 10cm from a convex mirror of radius of curvature of 30cm

Answer 1

1/v+1/u=1/f

v=?

u=-10cm

f=15cm

1/v+1/u=1/f

1/v=1/15-1/-10

=2+3/30

=30/5

v=6cm

m=-v/u

=-6/-10

=6/10

=3/5

= +0.6cm