Question

Question 1: It was observed that when the distance between an object and a lens decreases
the size of the image increases. What is the nature of this lens? If you keep on decreasing the
distance between the object and the lens, will you still able to obtain the image on the
screen? Explain.​

Answer 1

Explanation:

if on decreasing the distance between object and lens , the size of image increases then it is a convex type lens (converging lens)

If we keep on decreasing the distance between the object and the lens, we will not be able to obtain the image on the screen because when object is placed very closed to the convex lens ,the image formed is virtual.

Virtual images can't be obtained on screen.

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