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

- 2

- 3

- 4

Correct answer: Option 2
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