Home » gate questions » The illumination level of a room is 300 lux and the efficacy of the lamps is 60. The Light Power Density (LPD) of the room in Watt/m2 is GATE The illumination level of a room is 300 lux and the efficacy of the lamps is 60. The Light Power Density (LPD) of the room in Watt/m2 is July 27, 2023 50 Views Q. The illumination level of a room is 300 lux and the efficacy of the lamps is 60. The Light Power Density (LPD) of the room in Watt/m2 is________ .A. 1B. 5C. 7D. 11Ans: 5Explanation: Illumination Level of the room = 300 lux = 300 lumen/sq mEfficacy of the lamps = 60 lumen/watt
