how do you verify experimentally that the
focal length of a
lens depends
express surroundings media?
Answers
Answered by
1
Answer:
Move the lens back and forth until you get a sharp focus. There is a trick to this: place a piece of white paper next to the object so that you can see an image on the paper. The distance from the object to the lens is the focal length. Repeat this measurement five times.
Similar questions