question_answer

The diameter of the objective lens of microscope makes an angle P at the focus of the microscope. Further, the medium between the object and the lens is an oil of refractive index n. Then the resolving power of the microscope

A) increases with decreasing value of n

B) increases with decreasing value of \[\beta \]

C) increases with increasing value of n sin \[2\beta \]

D) increases with increasing value of \[\frac{1}{n\sin 2\beta }\]