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JEE Main Physics Class 11 Properties of Solids and Liquids Questions Part 1 Questions

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Question : 72

Total: 100

The specific heat capacity of a metal at low temperature(T) is given as
Cp(kJK−1kg−1)=32(

)3
A 100 gram vessel of this metal is to be cooled from 20ºK to 4ºK by a special refrigerator operating at room temperature (27°C). The amount of work required to cool the vessel is

greater than 0.148 kJ
between 0.148 kJ and 0.028 kJ
less than 0.028 kJ
equal to 0.002 kJ

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