A given quantity of an ideal gas is at the pressure P and the absolute temperature T . The isothermal bulk modulus of the gas is

Question

A given quantity of an ideal gas is at the pressure P and the absolute temperature T . The isothermal bulk modulus of the gas is, 2 3 P, P, 3 2 P, 2 P

MARKS App · Accepted Answer

∵ β = Δ P Δ V V ∴ In the isothermal process P + Δ P V - Δ V = P V or P V - P Δ V + V Δ P - Δ P Δ V = P V But Δ P Δ V maybe neglected. ∴ V Δ P = P Δ V or Δ P Δ V V = P Hence, ( P ) is correct.

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