Question

4.5cm needle is please 12cm away from a convex mirror of focal length 15cm . Give the location of image and magnification​

Answer 1

Answer:

As the needle is moved further from the mirror, image moves away from the mirror till it is at focus F of the mirror the size of the image goes on decreasing. ⇒ h₂ = 2.5 cm.

Answer 2

$\mapsto\bf{\ H_{2}=2.5cm}$