A compound microscope has an eye piece of focal length 10 cm and an ob – McqOptions

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1.	A compound microscope has an eye piece of focal length 10 cm and an objective of focal length 4 cm. Calculate the magnification, if an object is kept at a distance of 5 cm from the objective so that final image is formed at the least distance vision (20 cm) [UP SEAT 2005]
A.	12
B.	11
C.	10
D.	13
Answer» B. 11

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