Questions
If the focal length of objective and eye lens are 1.2 cm and 3 cm respectively and the object is put 1.25 cm away from the objective lens and the final image is formed at infinity. The magnifying power of the microscope is
a
150
b
200
c
250
d
400
detailed solution
Correct option is B
1f0=1v0+1u0⇒11.2=1v0+11.25∴v0=30 cmm=v0u0.Dfe=301.25 x 253=200Talk to our academic expert!
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