Q. In human eye the focussing is done by
A) To and fro movement of eye lens
B) To and fro movement of the retina
C) Change in the convexity of the lens surface
D) Change the refractive index of the eye fluids
Explanation
(c) Convexity of lens changes by the pressure applied by ciliary muscles
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.