Question

A student obtained Clea image of window grills on the screen. But the teacher told him to get the image of the tree Far away, instead of window. To get a clear image , the lens must be___________________

Answer 1

Upon drawing the diagram we will see that the rays from the grill are focused on point-A.

However, since the tree is the distant object its rays are focused on point-B.

Therefore, it is required that we move the lens towards the screen so that we can obtain a much sharper image of the tree.

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