Lighting tubes, also known as fluorescent tubes, are a type of electric light that produces visible light by passing an electric current through a gas or vapor. The tube is coated with a phosphorescent material that emits light when excited by the ultraviolet radiation produced by the gas or vapor. Lighting tubes are commonly used in commercial and residential settings for their energy efficiency and long lifespan. The basic design of a lighting tube consists of a long, narrow glass tube that is filled with a low-pressure gas, typically argon or neon, and a small amount of mercury vapor. The tube is coated with a phosphorescent material that emits visible light when excited by the ultraviolet radiation produced by the gas or vapor. The tube is powered by an electronic ballast that regulates the flow of electricity to the tube, ensuring that it operates efficiently and safely. One of the primary advantages of lighting tubes is their energy efficiency. They consume significantly less energy than traditional incandescent bulbs, making them a popular choice for commercial and residential lighting applications. Additionally, lighting tubes have a much longer lifespan than incandescent bulbs, which can save money on replacement costs over time. Despite their many advantages, lighting tubes do have some drawbacks. They contain small amounts of mercury, which can be harmful to the environment if not disposed of properly. Additionally, lighting tubes can produce a flickering effect that can be distracting for some people.
fluorescent, electric, phosphorescent, energy efficiency, mercury
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