Q. For a convex lens, if real image is formed the graph between $(u + v)$ and $u$ or $v$ is as follows
A)
B)
C)
D)
Explanation
(a) For convex lens (for real image) $u + v \geq 4f$
For $u = 2f,v$ is also equal to $2f$
Hence $u + v = 4f$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.