Question

Can we find focal length of a lens by an activity

Answer 1

The focal length of a lens is a measure of how powerful it is. This activity will let you practice a technique that is used to measure the focal length of a convex lens quickly.

activity:

measure and record the distance between the lens and the object and also the distance between the screen and the lens repeat the experiment by changing the position of the lens. and then the screen until a sharp well-defined image of the candle is found on the. screen. the focal length is determined by using the lens.

Answer 2

Answer:

Ya we can fin focal length of lens by an experiment

Explanation:

This experiment is there on 2nd pu syllabus...