Question

what is the meaning of absolute temperature

Answer 1

The temperature of any substance at absolute zero is known as its absolute temperature.Theoretically , it is the lowest possible temperature of a substance. At this point the particle constituents of matter have minimal motion and in state of lowest thermal energy.The unit of absolute temperature is the Kelvin. it can be expressed in °C also, using following relation. ​0 Kelvin (absolute zero) = -273.15°C.

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Answer 2

Absolute temperature, also called thermodynamic temperature, is the temperature of an object on a scale where 0 is taken as absolute zero. Absolute temperature scales are Kelvin (degree units Celsius) and Rankine (degree units Fahrenheit).

Absolute zero is the temperature at which a system is in the state of lowest possible (minimum) energy. As molecules approach this temperature their movements drop towards zero. It is the lowest temperature a gas thermometer can measure. No electronic devices work at this temperature.

0K (absolute zero) = - 273.15 Celcius