Question

р 5. Find out an expression for the Workdone during- a) Isothermal & adiabatic process​

Answer 1

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Answer ::

1] ans :

Consider one gram mole of ideal gas initially with pressure, volume and temperature as P, V, T, Let the gas expand to a volume V2, when pressure reduces to P2 and at the same temperature T

If A = Area of cross – section of piston

Force = Pressure × Area

F = P x A  

If we assume that piston moves a displacement d x,  the work done :

→ d w = F d x

d w = P × A × d x  

d w = P × d v

Total work done in increasing the volume from V1 to V2

[[ After this pls REFER 1ST PIC ]]

2] ans :

[[ FOR ADIABATIC PROCESS REFER 2ND PIC ]]

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