One mole of an ideal gas in initial state ‘A’ undergoes a cyclic process ABCA as shown in the figure. Its pressure at A is P0a) Internal energies at A and B are the same b) Work done by the gas in process AB is P0Voln4 c) Pressure at c isPo4
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a
a, b are true
b
a, c are true
c
a, b, c are true
d
b, c are true
answer is A.
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Detailed Solution
process A to B is a constant temperature process so work done nRT lnv2v1 =nRTln(4) as A to B process is isothermal no change in internal energy and process B to C is isobaric
One mole of an ideal gas in initial state ‘A’ undergoes a cyclic process ABCA as shown in the figure. Its pressure at A is P0a) Internal energies at A and B are the same b) Work done by the gas in process AB is P0Voln4 c) Pressure at c isPo4