Fluorescence is produced when an electron excited by an e.m. radiation returns to the ground state and emit a photon.
A fluorescent light uses electricity to create ultraviolet light in a tube filled with mercury vapor and a phosphor coating. The ultraviolet light interacts with the phosphor coating, causing it to emit visible light, which is what makes the fluorescent light glow.
Fluorescent colors contain pigments or dyes that can absorb and emit light at specific wavelengths. They often contain fluorescent dyes that are able to absorb ultraviolet light and then re-emit it as visible light, resulting in the vibrant and intense colors that we perceive as fluorescent. The absorption and emission properties of these dyes are what give fluorescent colors their characteristic brightness and glow.
Fluorescent lamps or light bulbs contain various amounts of mercury in them. When they are thrown away they are eventually broken and the mercury can leak out. That makes them hazardous to people, animals, and the environment.
Fluorescent bulbs are different from other bulbs in that they use less energy, which makes them cheaper to use, while they're lighting up a much larger area. However one must be careful as they break easily, and the powder inside is harmful when breathed in.
Yes, lamp is to fluorescent
A 4-tube fluorescent light contains four fluorescent tubes connected to a ballast that regulates the electrical current flowing through the tubes. When the light switch is turned on, the ballast sends high voltage to the tubes to ionize the gas inside. This ionization process produces ultraviolet light, which then interacts with the phosphor coating inside each tube to produce visible light.
Daylight Fluorescent lamps have bluish-white illuminance, whereas coolwhite fluorescent lamps have yellowish-white illuminance.
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