NEETPhysics-Thermodynamics
NEET Physics Equation of State MCQ Question
Type: MCQ-conceptual-Medium-Class 11
What is the dimensional formula of ab–1 in the equation (P + a/V²) (V – b) = RT, where letters have their usual meaning.
A
[M⁰L³T⁻²]
B
[M⁰L²T⁻²]
C
[M⁻¹L⁵T⁻²]
D
[M⁰L⁰T⁰]
Correct Answer
Option A
Detailed Explanation
In the given equation, a has the dimensions of pressure × volume², and b has the dimensions of volume. Therefore, ab⁻¹ has the dimensions of pressure, which is [M⁰L⁻¹T⁻²].
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