A parallel beam of light is focussed by the use of a convex lens on a wall. When sharp image is obtained, what is the distance between the lens and the wall in terms of focal length of the lens?
Answers
Answered by
0
Answer:
A sharp image of a distant object is obtained on a screen by using a convex lens. In order to determine the focal length of the lens. you need to measure the distance between the
Answered by
0
Answer:
A sharp image of a distant object is obtained on a screen by using a convex lens. In order to determine the focal length of the lens. You need to measure the distance between the lens and the screen.
Similar questions