Home Physics Thermometry, Thermal Expansion and Calorimetry JEE (Main) / AIEEE Problems (Previous Years) The specific heat capacity of a metal at low…
Physics Thermometry, Thermal Expansion and Calorimetry JEE (Main) / AIEEE Problems (Previous Years) MCQ (Single Correct)

The specific heat capacity of a metal at low temperature (T) is given as C p (kjK –1 kg –1 ) = 32 A 100 gram vessel of this metal is to be cooled from 20K to 4K by a special refrigerator operating at room temperature (27ºC). The amount of work required to cool the vessel is:

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

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Text Solution

Verified by Experts
The correct answer is:
B

Q =

=

k J.

W min =

W max =

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