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Question

How will the magnitude of magnification change if an object placed at center of curvature is moved towards the focus?


A

decreases

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B

increases

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C

remains constant

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D

magnification reaches infinity

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Solution

The correct option is B

increases


As object moves towards focus; the height of image increases. Since, magnification = heightofimageheightofobject.

As height of image increases; magnitude of magnification increases.


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