Q. The focal length of a convex lens depends upon
A) Frequency of the light ray
B) Wavelength of the light ray
C) Both (a) and (b)
D) None of these
Explanation
(b) $f \propto \frac{1}{\mu - 1}$ and $\mu \propto \frac{1}{\lambda}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.