The limit of resolution of microscope, if the numerical aperture of microscope is `0.12`, and the wavelength of light used is 600 nm, is

Options

A. `0.3 nu m`
B. `1.2 mu m`
C. `2.5 mu m`
D. `3 mum`

Answer

D

Explanation

`X= (1.22 lambda)/(2 mu sin theta)` where `mu sin theta` is numerical aperture