Question

An object 2cm height is placed at a distance of 12 cm from a concave mirror which produces a real image of 4 cm height. Find the image distance.​

Answer 1

Step-by-step explanation:

answer:

-24 cm

explanation:

hi/ho=-v/u

4/2=-v/12

v=-24

1/f=1/u+1/v

1/f=1/12+1/-24

1/f=-2+1/24

f=-24

hope it help you