The specific heat capacity of a metal at low temperature (T) is given as : |
\[{{C}_{p}}(kj{{K}^{-1}}k{{g}^{-1}})=32{{\left( \frac{T}{400} \right)}^{3}}\] |
A 100 gram vessel of this metal is to be cooled from 20°K to 4°K by a special refrigerator operating at room temperature (27°C). The amount of work required to cool the vessel is: [AIEEE 11-05-2011] |
A) greater than 0.148 kJ
B) between 0.148 kJ and 0.028 kJ
C) less than 0.028 kJ
D) equal to 0.002 kJ
Correct Answer: D
Solution :
[d] |
You need to login to perform this action.
You will be redirected in
3 sec