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(A) In a simple microscope,the magnifying power $m$ is given by the ratio of the angle subtended by the image to the angle subtended by the object at

Vedclass · Accepted Answer

$25/f$

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(A) In a simple microscope,the magnifying power $m$ is given by the ratio of the angle subtended by the image to the angle subtended by the object at the near point.When the final image is formed at infinity,the object must be placed at the focal point $f$ of the convex lens.The near point distance is $D = 25 \, cm$.The magnifying power for an image at infinity is given by the formula $m = D/f$.Substituting $D = 25 \, cm$,we get $m = 25/f$.

In a simple microscope,if the final image is formed at infinity,what will be its magnifying power?

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