Question

In a compound microscope, the focal lengths
of objective and eye lenses are 1.2 and 3 cm
respectively. If the object is put 1.25 cm away
from the objective lens and the final image is
formed at intinity, the magnifying power of the
microscope is
(1) 150
(2) 200
(3) 250
(4) 400​

Answer 1

Answer:

answer is 400 .........

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