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due to presence of Mercury
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How does tubelight glows?
A tubelight glows when an electrical current passes through mercury vapor inside the tube, causing it to emit ultraviolet light. This UV light interacts with the phosphor coating on the inside of the tube, producing visible light.
How tube light work?
They are filled with a gas that is ignited, then glows.
What is a filament that glows white hot in electric light bulbs?
Tungsten is the filament used in electric light bulbs that glows white hot when subjected to an electric current.
How does electron allow a fluroscent tube to glow?
The electrons in the mercury arc current in the tube causes the mercury vapor to emit ultraviolet light. The inside surface of the tube is coated with a phosphor that glows with visible light when hit by ultraviolet light.
Why tube light glow in white colour?
Tube lights glow in white color because they contain a phosphor coating on the inside of the tube that emits white light when excited by electricity. The phosphor coating helps to convert the ultraviolet light produced by the electrical current into visible white light, resulting in the tube light emitting white light.
What is the filament that glows white hot in electric light bulbs?
The filament that glows white hot in electric light bulbs is typically made of tungsten. Tungsten has a high melting point and is able to withstand the high temperatures produced when an electric current passes through it, creating the desired white light.
What is filament of a light bulb?
It's the small coil of very fine tungsten wire that glows white hot.
How a fuse tubelight giow?
A fuse tube light, also known as a fluorescent tube light, glows by passing an electric current through a gas-filled tube. When the current flows, it ionizes the gas, producing ultraviolet light. This UV light then excites a phosphor coating on the inside of the tube, causing it to emit visible light. The result is an efficient and bright illumination commonly used in various indoor settings.
Does a mass of a glow stick change when it lights?
Yes because it glows when it glows the tube expands to create space for it to glow
What part of a light bulb is the filament?
It's the small coil of very fine tungsten wire that glows white hot.
How tubelights glow in buses?
tubelights in buses are made to glow by the inside being painted with this paint which glows when it comes into conatct with a noble gas for example argon. The paint glows producing a white light
Why tungsten glows?
tungsten is a poor conductor of electricity,tungsten glows when electrical energy from the energy source is flowing through the conductor of electricity and when electrical energy reach the metal filament(tungsten) the tungsten gets electrical energy and produce heat when it became white-hot and the tungsten glows the glows is called light.
