Q. 185.0( 1 Vote )

The near vision of an average person is 25cm. To view an object with an angular magnification of 10, what should be the power of the microscope?

Answer :

Given,
Magnification,

Distance of distinct vision,


The magnification of a simple microscope is given by (when image is at ∞):





Now, power is given by:



Hence, the power of the lens is 40 Dioptres.


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