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CBSE - X - Physics

Differnce in heat and cold at qutam level and why does we ahd two types of temperature only 
Yeah we feel this due our biological affect also but why the heat is the always the result of collion or motion means firction

Asked by Harsimran 24th March 2017, 5:57 PM
Answered by Expert


 Hi Harsimran!

In a quantum level, the considered particle can only take on certain distinct values of energy, called energy levels.

The sensation of heat and cold is always a comparative consequence. It is due to the difference between the human body and their surroundings that they either feel hot or cold.If the ambient temperature is more we feel hot and if it is less we feel cold.In addition to this, we have temperature sensors in our nervous system

Whereas the amount of heat in terms of magnitude is totally different than the sensation of heat. At quantum level heat is given two distinct attributes as hot and cold so that there is clarity in determining the extent of the heat energy.


Hope this helped :)

Answered by Expert 24th March 2017, 6:39 PM

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