Question

Diameter of human eye lens is 2 mm. What will be the minimum distance between two points to resolve them, which are situated at a distance of 50 meter from eye. The wavelength of light is 5000 Å :-

Answer 1

Solution :

Limit of resolution of the eyeless is :

∴dθ=xd=λD

n=λdD

=5000×10−10×502×10−3

=1.25cm