a) An object 3 cm high is placed 24 cm away from a convex lens of focal length 8 cm. Find by calculations, the position, height and nature of the image.
b) If the object is moved to a point only 3 cm away from the lens, what is the new position, height and nature of the image?
c) Which of the above two cases illustrates the working of a magnifiying glass?

Explanation

`v=+12 cm`, the image is formed 12 cm behind the lens , 1.5 cm high, Real and inverted