States of Matter - Result Question 29

####29. Absolute zero is defined as the temperature

(a) at which all molecular motion ceases

(b) at which liquid helium boils

[1990]

(c) at which ether boils

(d) all of the above

Topic 3 : van der Waal’s Equation and liquefaction of Gases

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Solution:

  1. (a) Absolute zero is the temperature at which kinetic energy of gas molecules becomes zero i.e. all molecular motion ceases.


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