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Question : Absolute zero is defined as:

Option 1: the temperature at which all molecular motion ceases.

Option 2: at which water boils at 298K.

Option 3: at which liquid helium boils.

Option 4: at which the volume becomes zero.


Team Careers360 2nd Jan, 2024
Answer (1)
Team Careers360 14th Jan, 2024

Correct Answer: the temperature at which all molecular motion ceases.


Solution : The correct option is the temperature at which all molecular motion ceases .

On the Kelvin scale, an absolute temperature scale, absolute zero is the lowest conceivable temperature. It is frequently represented by the abbreviation 0 K (zero Kelvin), and it is equal to around -273.15 0 C or -459.67 0 F. A substance's particles move very little thermally and have the lowest attainable levels of kinetic energy at absolute zero. A material potentially reaches this threshold when there is no more heat energy to lose, and all thermal activity stops.

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