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An ideal gas undergoes four different processes from the same initial state as shown in the figure below. Those processes are adiabatic, isothermal, isobaric and isochoric. The curve which represents the adiabatic process among 1, 2,3 and 4 is:

PhysicsThermodynamicsNEETNEET 2022 (Phase 1)
Options:
  • A 2
  • B 3
  • C 4
  • D 1
Solution:
1569 Upvotes Verified Answer
The correct answer is: 2

For adiabatic process,

 P1Vγ

For isothermal process,

 P1V

For isobaric process, P=constant

For isochoric process, V=constant

 Graphs for different processes

Adiabatic 2

Isothermal 3

Isobaric 1

The graph for adiabatic process is 2.

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