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Q: How cold does something have to be to produce no light?
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Why is chemiluminescence also called cold light?

This light bulb does not produce heat and that is why it is given that name


Is a fireflies light endergonic or exergonic?

It does not produce or consume heat. It is "cold light"- bioluminescence


What are 3 sources of energy that can cause light emissions?

Chemical energy will produce the light in a firefly, or in a hand-held glow tube. Electrical energy will produce the light in a light bulb. Heating something up to a high enough temperature will produce light. Burning a material may produce light.


Can you light a candle in a cold dark room?

You can, you just need a lighter (or something to light with) and a candle.


Does darkness has velocity?

No. Darkness is not something. You can't carry a jar of it from here to there unless you are Harry Potter. If darkness were something, then you'd be asking us "What happens when you put some light and some darkness in the same place ?" Darkness is the name we give to a place where there is no light. This is a lot like the situation with 'silence' ... the name we give to the condition where there is no sound ... 'cold' ... the name we give to the condition where there is very little heat ... and 'emptiness' ... the description we give to a piece of space with no things and no stuff in it. In order to produce silence, cold, or emptiness, you take something away, and in order to produce darkness, you take away light. Light has speed. Dark doesn't.


Why do fire flies glow?

To attract matesChemicals in the firefly's abdomen produce a light. They use that light to attract mates in mating season.The light they produce is cold light. Usual light is warm.In some species of fireflies, female fireflies can't fly.


What is the usage of noble gases?

To produce something that can be uses


Is sapphire a light source or a reflector?

Sapphire doesn't create or produce light. If you can see it, then it must be reflecting light from something else.


Is sapphires a light source or a reflector?

Sapphire doesn't create or produce light. If you can see it, then it must be reflecting light from something else.


Does a light bulb produce light?

they produce protons and electrons they are collition then the light produce and heat produce


These people produce something to light your life?

i dOnt knOw sO just tell me the answer!! huihi


What is the difference between emit light and reflect light?

emit light means you produce the light, to reflect the light is to "re-show" the light that something else made.