Question Detail
Question
The product PV where P is pressure and V is volume has the same unit as:
Correct Answer
Option D is the correct answer.
Detailed Explanation
PV has dimensions ML⁻¹T⁻² * L³ = ML²T⁻², which is the dimension of energy (work). In thermodynamics, PV has units of energy.
Hint
Think of the work done by a gas: W = ∫P dV.