Question

# The focal length of objective and eye piece lens of a microscope are 1.6 cm & 2.5 cm respectively. Distance between two lenses is 21.7 cm .If the final image is formed at infinity what is the linear magnification?

A

B

C

D

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Medium
Updated on : 2022-09-05
Solution
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Correct option is B)

## Given,Separation between lense,Focal length of eye piece, Focal length of objective lens,Where is the length of the microscope and e the focal length of the objectiveSubstituting we get:According to lens formula we know that:Magnification, Hence, linear magnification is

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