NEETPhysics-Thermodynamics
NEET Physics First Law of Thermodynamics MCQ Question
Type: MCQ-numerical-Medium-Class 11
The pressure of a gas changes linearly with volume from A to B as shown in figure. If no heat is supplied to or extracted from the gas then change in the internal energy of the gas will be
A
6 J
B
Zero
C
−4.5 J
D
5 J
Correct Answer
Option C
Detailed Explanation
The work done is the area under the curve, which is negative. Since no heat is exchanged, the change in internal energy is equal to the work done.
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