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It is required to make the lamp conduct electricity.
And when it does the Mercury then radiates ultraviolet light
and this in turn makes the coating inside the lamp glow.
Usually white..... but any color is possible.

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14y ago
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13y ago

required to make the lamp conduct electricity & mercury radiates ultraviolet light turn makes coating inside lamp to glow.

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11y ago

Its a good car

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Q: Why is the mercury at low pressure in fluorescent tubes?
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What metal is used in electric light bulbs?

This is different depending on the type of bulb. Most bulbs copper or kovar (or other alloy with thermal expansion rate matching that of glass) wires are used for connections.tungsten wire is used in incandescent bulbs for the filamentmercury liquid (which evaporates to form mercury vapor) is used in fluorescent bulbs and tubes as well as mercury vapor streetlight bulbssodium vapor is used in both high pressure sodium and low pressure sodium streetlight bulbstungsten studs are used as discharge electrodes in HID car headlight bulbsetc.


Does water boil at 106 degrees?

Yes, if the pressure on it is low enough.Yes, if the pressure is low enough.


What phase of matter is Mercury?

Mercury's state of matter is a liquid. Mercury is not a good conductor of heat and cinnabar is the largest natural source for mercury.


Why is mercury a liquid at room temperature and pressure?

Because mercury has an extremely low melting point. It is the only liquid metal at room temperature.


What is planet mercury's surface pressures?

Planet Mercury's Surface pressure is almost none existent. This is due to its low gravity and extremely thin atmosphere that has been blasted away by solar winds.

Related questions

What gases are used in fluorescent light bulbs?

Fluorescent lamps (both the "compact" variety and the long tubes) are filled with inert gas (argon, xenon, neon or krypton) and mercury vapor, under low pressure (less than 1% of atmospheric pressure)Neon. and lead


Fluorescent lamp low pressure mercury vapour?

A fluorescent lamp refers to a low pressure mercury-vapor gas-discharge lamp that uses fluorescence in order to produce visible light. It is also called a fluorescent tube.


What does a fluorescent light tube usaually contain?

mercury vapour at low pressure.


What are the different types of light?

Incandescent Lamps Light Emitting Diode Neon Lamps Fluorescent Tubes Compact Fluorescent Lamps Halogen Lamps Metal Halide Lamps High Intensity Discharge Lamps Low Pressure Sodium Lamps High Pressure Sodium Lamps


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A combination of neon, argon, xenon, krypton, sodium, metal halide, and mercury. The common fluorescent lamp is a low pressure mercury arc lamp.


What is the difference between high and low pressure mercury lamps?

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Element used in fluorescent lights?

The filament is usually made from wolfram (W) and the filling gas is argon.


What household objects have a vacuum in?

the cathode ray tube in an older TV or monitor. valves (vacuum tubes) in older radios or stereos. some stereos and record players are still made with for those who wish. Fluorescent tubes and incandescent bulbs are made with a low pressure not quite a vacuum.


Where is tha low pressure valve on a 1995 mercury tracers air conditioning system?

The low pressure valve, on your 1995, Mercury, is located on the top of the air conditioning compressor. The low pressure valve should be labeled.


Where is low port to add r134a freon on 1997 mercury cougar v8?

You can find the 1997 Mercury Cougar low pressure port on top of the air conditioner compressor. The low pressure port will have a blue top.


Where is the low pressure port on your 1998 Mercury Mountaineer?

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What is Composition of gases in tube lights?

low pressure mercury vapours