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What is the mercury inside a thermometer?

usually a type of alcohol now


When a common fluorescent lamp is on the mercury vapor inside is actually in a which state?

When a common fluorescent lamp is on, the mercury vapor inside is in an excited state. When an electric current passes through the mercury vapor, it excites the mercury atoms, causing them to release ultraviolet light. This ultraviolet light then interacts with the phosphor coating on the inside of the lamp, producing visible light.


How do you ionize organ and mercury gas in tube light?

In a tube light, the gas inside the tube is typically a mixture of argon and mercury vapor. When electricity is applied to the tube, it ionizes the gas, creating a plasma by stripping electrons from the gas molecules. This ionization process allows for the generation of ultraviolet light, which then excites the phosphor coating on the inside of the tube, producing visible light.


What gase use in flurocent lamp?

Fluorescent lamps use a mixture of gases, including mercury vapor and argon, to produce light. When electricity passes through the gases, ultraviolet light is produced, which then interacts with the phosphor coating inside the lamp to create visible light.


What is the principle of operation of fluorescent?

The tube is filled with noble gas (i.e. argon, neon, helium). The tube also contains a small amount of mercury that when heated becomes mercury vapor. The inside of the tube is lined with phosphorescent material (mostly phosphorous). In the base of the bulb is an electronic ballast that boosts the line voltage up high enough to ionize the gas inside the bulb. As this happens the mercury also vaporizes inside the tube. The ionized gas and ionized mercury vapor emit ultraviolet light which strikes the phosphorous. The phosphorous, in turn, emits white light that lights up the room.