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Physics
The magnifying power of a compound microscope is high if
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Q. The magnifying power of a compound microscope is high if
AIIMS
AIIMS 2013
A
both the objective and the eyepiece has short focal lengths
B
both the objective and the eyepiece have long focal lengths
C
the objective has a short focal length and the eyepiece has a long focal length
D
the objective has a long focal length and the eyepiece has a short focal length
Solution:
The magnitying power is given by $M=\frac{L }{f_o} \frac{D}{f_e}$
for $(D>>6)$
where $L$: distance between objective and eyepiece
$D$: Least distance of distinct vision
$f_o$: Focal length of objective
$f_e$: Focal length of eyepiece