If the focal length of objective lens is increased then magnifying power 
Text Solution
Verified by ExpertsThe correct answer is:
D
: Magnifying power of a microscope,
where 
and 
are the focal lengths of the objective and eyepiece respectively and 
is the distance between their focal points and 
is the least distance of distinct vision.
increases, then 
will decrease.
Magnifying power of a telescope, 
where 
and 
are the focal lengths of the objective and eyepiece respectively.
If 
increases, then 
will increase.
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