Question

write any two precisions taken by you while conducting an experiment to find image distance for different object distance​

Answer 1

Answer:

Procedure

Place the convex lens on a lens holder, placing the screen on the other side of the lens.

Try focusing the image to get a sharp, clear and inverted image on the screen. ...

The position at which the lens is fixed, mark it as O.

Once the focal length is calculated, mark point F on both the sides of the lens.