Question

A student conducts an experiment using a convex lens of focal length 20 cm and an
object of height 15 cm. He placed the object at 25 cm from the lens. Can the image
be formed on a screen? Where should the screen be placed in order to get the
sharpest image?

Answer 1

Explanation:

Hello,

Here,

f - focal length

V - image distance

u - object distance

and also, I have no idea why there is height of the object mentioned as there is no use in this sum as far as my knowledge.

anyways have a great day!!!

: )