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Units and Dimensions

Why is -273 ...

Question

Why is -273 $^{\circ} C$ called absolute zero?

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Solution

The lowest temperature which is theoretically possible is called as absolute zero. At this tempereture, the motion of particles which constitutes heat would be minimum.
Absolute zero $= 0 K = - 273 ℃$

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Similar questions

Q. The zero of kelvin scale is called as absolute zero.

Q. Absolute zero temperature is not the temperature of zero energy why?

The expected energy of the electrons at absolute zero is called [RPET 1996]

Q. Assertion :The lowest hypothetical or imaginary temperature at which gases are supposed to occupy zero volume is called absolute zero. Reason: Volume of the gas at

- {273.15}^{\circ} C

becomes zero i.e. gas does not exist at this temperature.

Q. Statement 1:

- 273^{0} C

is also known as absolute zero.
Statement 2:

^{0} C = K + 273

.

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