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@Rohit Gupta
–
Radiations can heat up objects but in this case there is nothing to get heated.

If you provide heat through radiations into a vacuum , it will not affect the vaccum, but if you put a thermometer there it will show some reading but that is not the temperature of vaccum.

I am not objecting that vaccum can not contain energy but temperature, nah 😔

In a nutshell, Heat (precisely, heat energy), as we all know, is a very common physical quantity, whereas temperature is a measure of this heat energy! =)

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## Comments

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TopNewestHeat is a form of energy, while temperature is not. Temperature is a physical quantity which determines the degree of hotness or coldness of a body.

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What do you mean by degree of hotness or coldness??

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Measure of or more precisely, extent of.

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Vibrational kinetic energy of molecules in a body gives the temperature, more energy $\Rightarrow$ more temperature.

And

flowof that energy is heat.Log in to reply

What is the temperature of vacuum??

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I guess temperature can not be defined somewhere there is no matter.

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If you provide heat through radiations into a vacuum , it will not affect the vaccum, but if you put a thermometer there it will show some reading but that is not the temperature of vaccum.

I am not objecting that vaccum can not contain energy but temperature, nah 😔

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But as you said and I too read about it, bigbag added some background energy to universe and a temperature of 3° above absolute zero.

Above two statements contradict.

So not possible to create such a vacuum.

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In a nutshell, Heat (precisely, heat energy), as we all know, is a very common physical quantity, whereas temperature is a measure of this heat energy! =)

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Temperature of an isolated system can be defined, will it give us the measure of heat energy content in the system??

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