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???? Another video on the topic: Light bulb: • How does a light bulb work? Ph... In this video I explain the light units lux, lumen and candela. These units describe the luminous flux, luminous intensity and illuminance. More on this plus practical examples in the video. ------------------------------------------------------------------------------------------------------------------------- Hi, I'm Tobias and I publish new learning videos on this channel almost every day on all school areas of physics, from primary to secondary school. Here you can find my other channels where I do math, chemistry and German. (Studytiger - Math): / @studytiger-mathe (Studytiger - Chemistry): / @studytiger-chemie (Studytiger - German) / @studytiger-deutsch If you have any suggestions or requests for new videos, just write them in the comments.