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A sample of certain gas is allowed to expand to twice the initial volume
(a) Isothermally and then
(b) adiabatically, then the final pressure (P_f) and the change of pressure ( $Δ$ p) are such that

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Both Pf Δp are most for isothermal change

Both Pf, Δp are most for adiabatic change

Pf is more for adiabatic and Δp more for isothermal change

Pf is more for isothermal and Δp is more for adiabatic

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detailed solution

Correct option is D

P1V1=P22V1⇒P2P1=12P2=P1V1V2γP2=2−γP1ΔP is more in adiabatic process

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A sample of certain gas is allowed to expand to twice the initial volume(a) Isothermally and then (b) adiabatically, then the final pressure (Pf) and the change of pressure (Δp) are such that

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Ready to Test Your Skills?

free study material

A sample of certain gas is allowed to expand to twice the initial volume
(a) Isothermally and then
(b) adiabatically, then the final pressure (P_f) and the change of pressure ( $Δ$ p) are such that