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प्रश्न
Write an expression for the magnifying power of a simple microscope. How can it be increased?
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उत्तर
Is the ratio of the angle of the image subtended at the eye to the angle subtended by the object at the eye when lying at least a distance of distinct vision.
m = 1 + `D/f` where f is the focal length of the lens.
One way to get more magnifying power is to use a lens with a shorter focal length.
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