AIIMS2009Physics-Thermodynamics
AIIMS 2009 Physics Thermal Expansion MCQ Question
Type: MCQ-conceptual-Medium-Class 11
The variation of volume V, with temperature T, keeping pressure constant is called the coefficient of thermal expansion (α) of a gas i.e., α = (1/V)(∂V/∂T)P. For an ideal gas α is equal to
A
T
B
1/T
C
P
D
1/P
Correct Answer
Option B
Detailed Explanation
For n moles of an ideal gas PV = nRT
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