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Questions  

One mole of an ideal monoatomic gas is taken through process AB given by P=αβV2 (where α and β are positive constants) on P-V diagram. Which of the following is the correct statement regarding the given process?

a
Temperature is maximum at V=α3β
b
Temperature is minimum at V=α3β
c
At point A rate of increase of temperature of gas with volume is more than at point B
d
Rate of increase of temperature of gas with volume is maximum at V=αβ

detailed solution

Correct option is A

PV=1⋅RT    α−βV2V=RT           T=αVR−βV3R       dTdV=αR−3βV2RFor maximum value of T        dTdV=0⇒ V=α3β

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During an experiment, an ideal gas is found to obey a condition P2/ρ = constant (ρ = density of the gas). The gas is initially at temperature T, pressure P and density ρ. The gas expands such that density changes to ρ/2.


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