Question

which gas present in tube light

Answer 1

A fluorescent lamp tube is filled with a gas containing low pressure mercury vapor and argon, xenon,neon, or krypton. The pressure inside the lamp is around 0.3% of atmospheric pressure.

Answer 2

A fluorescent lamp tube

Explanation:

• In a fluorescent lamp tube an electric current is passed through an arc-like lightning through an inert gas argon and krypton.
• Electric current conducted through tube of mercury and argon gases.
• The inside of the lamp's glass tube is coated with phosphorescent minerals which fluoresce means show the visible light when struck by the Ultra violet rays.
• A fluorescent lamp tube converts electrical energy into useful light much more efficiently than incandescent lamps.

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