Question

According to Abbe, in the formula for resolving power of a microscope, the numerical aperture is represented by ______ 

Options

• `(2mu sinalpha)/lambda`

• μ sin α 

• `lambda/(2mu sin alpha)`

• `(2sinalpha)/(mulambda)`

Answer 1

According to Abbe, in the formula for resolving power of a microscope, the numerical aperture is represented by μ sin α.

Explanation:

NA = μ sin α