Question

02. What do you understand by the focus afa Bensi
lens? How willyosafind the focus of a convex
lens ?​

Answer 1

Answer:

Focus of Lens: The point where all the parallel ray of light meet or appear to meet is known as focus.

Finding focus of convex lens:

Put the lens where light rays are coming from infinity then put a screen on the another side of lens .The point where light rays meet on the screen is focus .No w with the help of ruler find the length.