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?

Question

Philoid · Accepted 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.