Eli5 why there lamps with yellow light and others with white light ? How does it light in white or in yellow
In: Physics
The orange lamps are called *sodium-vapor lamps* because to produce light, electricity is pumped through a chamber filled with sodium vapor. This excites the atoms, and when they “cool off” from being excited, they give off orange light.
The white lights are either mercury-vapor (same concept, just using mercury) or LED.
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