Q. The ratio of resolving powers of an optical microscope for two wavelengths $\lambda_1$ = 4000 Å and $\lambda_2$ = 6000 Å is :
A) 8 : 27
B) 9 : 4
C) 3 : 2
D) 16 : 81
Explanation
[Solution] Resolving power ∝ 1/λ: 6000 : 4000 = 3 : 2. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.