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Phase transitions — CSIR Net PYQ (Question 1)

A Phase transitions previous-year question (PYQ) from Thermodynamics (CSIR Net). Read the question, check the correct answer, then practise the full topic.

Question 1 of 6 · 5.0 marks

Which of the following graphs shows the qualitative dependence of the free energy of a ferromagnet in an external magnetic field , and at a fixed temperature , where is the critical temperature?
  1. 1option image
  2. 2option image
  3. 3option image
  4. 4option image
Correct answer: Option 2

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This Phase transitions PYQ is part of the Thermodynamics section of CSIR Net. Browse more Phase transitions questions or join the PhysicsByAaryan live batch for full conceptual coverage.