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Q: Why does a light bulb emit visible light?
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What will happen to the light bulb when you switch off the electric circuit?

There will no longer be current to heat the filament which will then cool and no longer emit visible light. While it is cooling it will continue to emit infrared light for a time.


Does a light bulb emit carbons when used?

the electricity used to power the light bulb emit carbon dioxide


What type of electromagnetic radiation is used in street lights?

Street lamps are designed to emit visible light. Some of them do this by first emitting ultraviolet radiation that is converted to visible light by a coating on the inside of the light bulb.


What does a white light bulb emit?

light and heat


How does the sun emit light?

the photoshpere emits visible light


What happens to the energy wasted in a light bulb?

electircal or photo electrical energy. Photons are shot across from panel to another panel this sparking back and forth creates the light you see.Answer: Electricity is the energy input into a light bulb. It either heats afilamanet to produce heat and light, r excites the gas contained in the bulb (in flluorescent tube) to emit visible light directly or emit UV light which interacts with a phosphor coating in the tubes to emit light.


What is the use of bulb in the circuit?

To emit the generated light?


What is the use of the bulb in the circuit?

To emit the generated light?


How much carbon dioxide does each light bulb emit?

None. Light bulbs do not emit carbon dioxide. The electricity used to power the light bulb may have been produced by a method which emits carbon dioxide (then again, it may not have), but the bulb itself doesn't emit anything except heat and light.


What gives off visible light under an ultraviolet light?

== Fluorescence== Fluorescent objects emit visible light when stimulated by ultraviolet light.


What type of light does photosphere emit?

The photosphere emits the visible light from the sun.


Do atoms only emit visible light?

Yes because it only have light in common?