Question

find the distance between 2 possible position of a real object in front of a convex lens of focal length 20 cm such that size of image is triple the size of object​

Answer 1

Answer:

Originally Answered: At what distance should an object be placed from a convex lens of focal length 15 cm to obtain on image three times the size of the object? p = ?? Result: object distance is 20cm from the lens.