M M New member May 5, 2013 #1 Can someone answer theis question and show me how? What is the illuminatiin on a surface 4.0m below a 100-watt lamp thst emits a luminous flux of 1075lm?
Can someone answer theis question and show me how? What is the illuminatiin on a surface 4.0m below a 100-watt lamp thst emits a luminous flux of 1075lm?
