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