Q. Lux is equal to
A) $1\ lumen/m^{2}$
B) $1\ lumen/cm^{2}$
C) $1\ candela/m^{2}$
D) $1\ candela/cm^{2}$
Explanation
(a) $I = \frac{L}{r^{2}}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.