0
What is light produced by heating a piece of metal until it glows?
Wiki User
∙ 14y ago
If you heat a metal it will begin to glow faintly red at around 500ºC, or about 950ºF. If you continue to heat it, by 800ºC (about 1450ºF) the glow will a dull cherry red and at about 1100ºC (about 2000ºF) the colour will be a lemon or light yellow colour. Finally, at temperatures above about 1300ºC (about 2400ºF) the glow appears white, and very bright. Precautions must be taken, as looking directly at an object at this temperature can damage your vision.
Wiki User
∙ 14y ago
Wiki User
∙ 14y agoincandescent light
Add your answer:
Earn +20 pts
What metal is produced by heating ore?
Depends on the ore. If it is gold you get gold, silver you get silver.
What is produced when reacting a metal with an acid?
What is produced when a acid reacts with a metal
What happen when base react with non metal oxide-?
The Metal hydroxides are strong base, therefore metal hydroxide decomposes on heating to form metal oxide and water.
What happened after heating the iron filing and sulfur?
after heating a compound named iron sulphide is formed which is a non-metal
What problems do you see with a material like nylon that melts on heating?
metal melts on heating because it gets hot
Why scientists use tungsten metal in manufacturing the filament of the light bulbs?
it glows and emits light.
Why do light bulbs use very fine filaments?
Incandescent light bulbs use tungsten( a metal which can withstand very high temperatures) as filament.When heated to a very high temperature, the filament glows emitting light and heat. Heating effect in filaments is caused by the property of resistance in conductors. On reducing the cross- section area( thickness) of the filament, its resistance is increased and hence the filament glows with comparitively lesser electric current.
What metal is produced by heating ore?
Depends on the ore. If it is gold you get gold, silver you get silver.
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.
Is a light of a flash light a ray of light?
Light is made up of light waves, which are different than normal waves because they do not need a medium, or a material to travel though. (Some examples of mediums are water, air, wood, metal...). Light waves come in different sizes, or wavelengths. Flashlights usually use incandescent light bulbs to produce light. Incandescent light bulbs produce light by heating a tungsten filament until it glows and gives off heat under the form of light waves.
What is a metal that glows when electricity is passed through it?
It is a tungsten filament.
What is fragment of rock ice or metal that glows as it collides atmosphere?
meteor.
How do light-bulbs work?
An electric current passes through a thin filament, heating it until it produces light. The enclosing glass bulb prevents the oxygen in air from reaching the hot filament, which otherwise would be destroyed rapidly by oxidation.
What type of light is produced when electrons combine with gaseous metal vapor?
Electrons combining with gaseous metal vapor produce a type of light known as atomic emission spectrum. This is the characteristic pattern of specific wavelengths of light emitted by electrons transitioning from high energy states to lower energy states in the atoms of the metal vapor.
How does an electric current produce light?
When an electric current passes through a special material called a filament, it generates heat due to resistance in the material. This heat causes the filament to glow and emit light. The visible light produced is a result of the electrons in the filament gaining energy and releasing it in the form of photons.
Why does the cord connecting to a room heater not glow while the the coil of the heater glows?
The wire in the cord is made of a very conductive metal, such as copper. Copper conducts electricity well, so not much energy is lost in transmission.The heating element will be made of a metal that isn't very conductive, so energy losses are high. This energy goes into heating the wires, and it's not uncommon for them to get red-hot in the process.
What is the difference from an LED light to a normal incandescnt or fluorescent bulb?
The main difference is how light is produced in each. In a LED, a device known as a light-emitting diode produces light when receiving a certain level of current. In an incandescent bulb, a thin piece of conductive metal glows brightly (incandesces) when subjected to a current in an oxygen free environment, such as a vacuum or near-vacuum (the absence of oxygen keeps the metal from burning and decomposing). Finally, a fluorescent bulb works by subjecting a special mixture of gases to an electric current. The current excites molecules of gas, which release light in the process.
