brisamauro27
30.01.2020 •
Physics
The illuminance on a surface is 3.5 lux, and the surface is 2 meters from the light source. what’s the intensity of the source?
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Ответ:
The intensity is 49 Candelabra
Explanation:The formula for calculation the luminous intensity is;
Luminous intensity = illuminance × square radius
Lv = Ev × r²
= 3.5 × 2²
= 3.5 × 14
= 49 Candelabra
Ответ:
nice try but it's plasma membrane