Question

An object placed 4 cm in front of a converging lens produces a real image 12 cm from the lens.
(a) What is the magnification of the image ?
(b) What is the focal length of the lens ?
(C) Write the nature & position of the image.
(d) Which of the following applications this lens can be used for this position of the object?
(i) in a camera (ii) as a magnifying glass (iii) in a film projector​

Answer 1

Explanation:

1. I am attaching one more image