Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Physics Optics
The capacity of the lens is defined as the inversion of its ________.
1
Focal Length
2
Radius of curvature
3
Main axis
4
More than one of the above
5
None of the above