If the focal length of the objective lens and the eye lens are 4 mm and 25 mm respectively in a compound microscope. The length of the tube is 16 cm. Find its magnifying power for relaxed eye position

(a)   32.75                                 (b)  327.5 

(c)   0.3275                               (d)  None of the above

(b)      m=L-f0-feDf0fe=16-0.4-2.5×250.4×2.5=327.5 

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