JEE Main 2019 + NEETMedium
Q.The power of a lens is +2.5 D. The focal length is
a
40 cm
b
25 cm
c
100 cm
d
50 cm
Correct Answer: Option A
The correct solution involves applying the fundamental concept to derive the final value step by step...
The correct solution involves applying the fundamental concept to derive the final value step by step...