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a) An object 3 cm high is placed 24 cm a...

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?

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