Q. If the distance of the far point for a myopia patient is doubled, the focal length of the lens required to cure it will become
A) Half
B) Double
C) The same but a convex lens
D) The same but a concave lens
Explanation
(b) Focal length $= - \ $(Defected far point)
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.