JEE Main 2023 + NEETMedium
Q.A convex lens of focal length 20 cm is cut into two halves along optical axis. Each half is used as lens. The focal length of each half is
a
20 cm
b
40 cm
c
10 cm
d
infinite
Correct Answer: Option A
The correct solution involves applying the fundamental concept to derive the final value step by step...