For having large magnification power of a compound microscope

Options

(a) length of the microscope tube must be small
(b) focal lengths of objective lens and eye-piece should be large.
(c) focal lengths of objective lens and eye-piece should be small
(d) focal length of eye-piece must be smaller than the focal length of objective lens

Correct Answer:

focal length of eye-piece must be smaller than the focal length of objective lens

Explanation:

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