Verified Solution • 2025–26 Session moderate

QJEEM20Ph18e8: JEE Main 2020 Physics - Class 11 JEEM20Ph18e8 Solution: A thermodynamic cycle xyzx is shown on a V-T diagram. The P-V…

A thermodynamic cycle xyzx is shown on a V-T diagram. JEE Main 2020 (Online) 8th January Morning Slot Physics - Heat and Thermodynamics Question 289 English The P-V diagram that best describes this cycle is :
(Diagrams are schematic and not to scale)

Multiple Choice Options

  • A https://ik.imagekit.io/novatra/photos/8df89bb4f6a145f593fda1dfea9af65cb6c36eadeeea99cd9615366fbb109e6a.webp
  • B https://ik.imagekit.io/novatra/photos/41f0b1f473976984c5c509d8923c96774ef621a8afd2a84c4dffec2f52d781c6.webp
  • C https://ik.imagekit.io/novatra/photos/d2323c7bb4d8d9c97087484b50cddbd95b673ae949a3ea903ffdf9a9c348d2da.webp
  • D https://ik.imagekit.io/novatra/photos/e3ff0a4a6953d29a1ef86b241441699dc518cf69a1cfa9903df5f533ac549ed5.webp

Step-by-Step Verified Solution

From the corresponding V-T graph

Process x →\to y is Isobaric expansion (pressure = constant )

Process y →\to z is Isochoric (volume = constant)

Process z →\to x is Isothermal compression (temperature = constant)

Therefore, (A) is correct P-V graph.

Related Learning Resources & Exam Preparation