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Question

Physics Question on Optical Instruments

Which of the statement is incorrect about the simple microscope?

A

Magnification of microscope is inversely proportional to the least distance of distinct vision

B

A convex lens of microscope with shorter focal length yields higher magnification

C

Biology students use to see the slides

D

It is not used for magnification of an object at far away from the observer

Answer

Magnification of microscope is inversely proportional to the least distance of distinct vision

Explanation

Solution

A simple microscope is a convex lens of short focal length which is fixed in a frame provided with handle. It is used by biology students to see the slides placed near by the objective lens and when final image is formed at least distance of distinct vision, magnification,
M=1+DfM=1+\frac{D}{f}