G greeeekgirl123 Guest Mar 5, 2009 #1 ...that emits a luminous flux of 11? What is the illumination on a surface 3.0 m below a 60-watt incandescent lamp that emits a luminous flux of 1155 lm?
...that emits a luminous flux of 11? What is the illumination on a surface 3.0 m below a 60-watt incandescent lamp that emits a luminous flux of 1155 lm?
