In a compound microscope the focal length of objective lens.

Is more than the focal length of eyepiece lens

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Is less than the focal length of eyepiece lens

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Is equal to the focal length of eyepiece lens

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Is two times to the focal length of eyepiece lens

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Solution

The correct option is C Is less than the focal length of eyepiece lens
As the magnifying power of compound microscope is inversely proportional to the focal length of the objective lens.
Hence , smaller is the focal length, higher is the magnifying power.
Therefore, focal length of objective lens is less than the focal length of eyepiece lens.

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