Questions
A compound microscope has two convex lens system with focal lengths 2cm and 5cm. An object is 2.5cm away from the objective lens. The tube length of microscope when magnification is maximum is equal to
a
18.2 cm
b
14.2 cm
c
8.2 cm
d
4.2 cm
detailed solution
Correct option is B
Length of the tube =V0+Ue1V0+1U0=1f0, 12.5+1V0=12, f0=2cm, Ve=−D1Ue−125=15, Ue=256=4.16Talk to our academic expert!
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