AIIMS2002Physics-Thermodynamics
AIIMS 2002 Physics First Law of Thermodynamics MCQ Question
Type: MCQ-numerical-Medium-Class 11
The latent heat of vapourisation of water is 2240 J. If the work done in the process of vapourisation of 1 g is 168 J, then increase in internal energy is
A
2408 J
B
2072 J
C
2240 J
D
1904 J
Correct Answer
Option B
Detailed Explanation
Latent heat of vaporisation of water (L) = 2240 J, mass of the water (m) = 1 g and work done (dW) = 168 J.
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