Principle of neon color change

   Principle: The luminous principle of a neon lamp after being energized is similar to that of sky lightning, and it is also a gas discharge phenomenon. When the tube is energized, the gas molecules gain energy and are continuously ionized into free electrons (negatively charged) and positive ions (positively charged).

At the same time, the opposite process is constantly going on, positive ions and electrons recombine to form molecules. In the process of recombination, the excess energy is released in the form of light energy. Due to the different composition and structure of different gas molecules, the light energy emitted in the compound is different, so various colors will appear.



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