Question

An object of height 8cm is
placed in front of a convex
mirror of radius of curvature
48cm. If a virtual image of
height 2cm is produced behind
the mirror, then the distance
of the image from the mirror is
​

Answer 1

Answer:

Given,

mirror type = convex

ho=8cm

f=24cm

hi=2cm

v=?

m=hi/ho

= 2/8

=0.25

m=-v/u

2/8=-v/u

2u=-8v

u=-4v

1/f=1/v+1/u

1/24=1/v + 1/-4v

1/24=1/v-1/-4v

1/24=4-1/4v

1/24=3/4v

4v=72

v=18cm