JEE AdvancedMedium
Q.Two thin convex lenses of focal lengths f1 and f2 are placed in contact. The equivalent focal length is
a
f1 + f2
b
f1 f2 / (f1 + f2)
c
(f1 + f2)/ f1 f2
d
f1 - f2
Correct Answer: Option B
The correct solution involves applying the fundamental concept to derive the final value step by step...