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The specific heat capacity of a metal at...

The specific heat capacity of a metal at low temperature (T) is given as
`C_(p)(kJK^(-1) kg^(-1)) =32((T)/(400))^(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 temperaturte `(27^(@)C)` . The amount of work required to cool the vessel is

A

equal to 0.002 kJ

B

greater than 0.148 kJ

C

between 0.148 kJ and 0.028 kJ

D

less than 0.028 kJ

Text Solution

Verified by Experts

The correct Answer is:
C
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MOTION-HEAT-2 -EXERCISE-4 (LEVEL-I)
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  13. One mole of a diatomic ideal gas undergoes a cyclic process ABC as sho...

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  14. Consider an ideal gas confined in an isolated closed chamber. As the g...

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  15. A solid body of constant heat capacity 1J//^@C is being heated by keep...

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  16. n' moles of an ideal gas undergoes a process AtoB as shown in the figu...

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  17. An ideal gas under goes a quasi static, reversible process in which it...

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