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What is brighter 2000 lumen watt bulb or a 1500 lumen bulb?

This question is ill posed. Lumen is a unit of measure for how much light comes from the lamp Watt is a unit of measure for how much energy is used by the lamp If the question were; "Which is brighter, a 2000 lumen bulb or a 1500 lumen bulb?" then the answer would be: The 2000 lumen bulb. I think the relation ship between lumen and watt is something like: Incandecent bulbs are 15w/lumen Flourecent bulbs use 40w/lumen LED bulbs are 70w/lumen The way to show the watt and lumen relationship is usually lumens (amount of light) per watt (energy consumption). This is like gas in your car (Miles or KM per Gallon or Liter). Incandescent bulbs have a maximum luminosity of 52 lumens/watt. Fluorescent bulbs range from 46 lumens/watt (CFL) to 100 lumens/watt (T5 and T8 tubes) LED bulbs range from 29 lumens/watt (older, low efficiency) to 100+ (XCree) and they are getting better.


What does Amperes per Lumen stands for?

I don't believe that there is such a thing as an 'ampere per lumen'. An ampere is the SI unit of current, whereas the lumen is the SI photometric unit for luminous flux. There is no direct relationship between the two.


What does 800 ANSI Lumen mean?

It refers to the brightness of a projector, with 800 ANSI lumens representing the amount of light output it can produce. A higher lumen count generally means a brighter image.


How many lumen are in 1 Joule?

1 lumen = 1 candela per steradian.1 candela = 1/683 watts per steradians (assuming 540nm light wavelength).Assuming that the light is collected from a single steradian:1 Lumen = 1 Candela -> = 1/683 Watt -> Watt = 683 Lumens1 Joule = 1 Watt per Second -> Watt = Joule/SecondHence:683 Lumen = 1 Joule/SecondUnder the above assumptions1 Lumen = 1/683 Joule/Second


What is the Biological classification for sheep?

Kingdom: Animalia, Phylum: Chordata, Class: Mammalia, Order: Artiodactyla, Family: Bovidae, Subfamily: Caprinae, Genus: Ovis, Species: O. aries (It's for domestic sheep)