1.

Consider a monoatomic gas which undergoes a cycle as shown in P-T diagram. Match the process in column-I to description in column-II

Answer»


Solution :For AB
PT=const. `RARR P^(2)V` =const.
as , `T uarr rArr DELTAU gt 0, p DARR rArr V uarr rArr DeltaWgt 0`
`rArr Delta Q =DeltaU+DeltaW rArr DeltaQ gt 0`
For BC
P=const. `rArr T darr DeltaU lt 0`
`rArr V darr rArr DeltaW lt 0 rArr DeltaQ lt 0`
For CA
`T_("Isothermal process")`=const. `rArr DeltaU=0`
process equation PV=const.
`rArr P darr rArr V darrrArr DeltaW lt 0 rArr DeltaQ =DeltaU+DeltaWrArr DeltaQ lt 0`


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