AIPMT PRELIMS2010Physics-Thermodynamics
AIPMT PRELIMS 2010 Physics First Law of Thermodynamics MCQ Question
Type: MCQ-conceptual-Medium-Class 11
If ΔU and ΔW represent the increase in internal energy and work done by the system respectively in a thermodynamical process, which of the following is true?
A
ΔU = -ΔW, in a isothermal process
B
ΔU = -ΔW, in a adiabatic process
C
ΔU = ΔW, in a isothermal process
D
ΔU = ΔW, in a adiabatic process
Correct Answer
Option B
Detailed Explanation
In an isothermal process, the change in internal energy (ΔU) is zero, so the work done by the system (ΔW) is equal to the heat added to the system, leading to ΔU = -ΔW.
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