1.

The image of an object formed by a convex lens of of the same size as the object. If the image formed at a distance of 40cm, find the focal length of the lens. Also , find the power of the lens. At what distance from the lens is the object placed? Please it's urgent!

Answer»

Same size of IMAGE is formed by a CONVEX lens only when the object is PLACED at a DISTANCE u=2f from the optical center and image is ALSO formed at distance 2f on other side of lens.



Discussion

No Comment Found