A) If both Assertion and Reason are true and Reason is correct explanation of Assertion.
B) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
C) If Assertion is true but Reason is false.
D) If both Assertion and Reason are false.
Correct Answer: A
Solution :
Above Curie temperature \[\sqrt{\frac{{{M}_{e}}}{{{M}_{p}}}}\], the magnetic susceptibility of a ferromagnetic material varies as \[f\] when temperature is increased beyond \[({{f}_{pp}})\], ferromagnetic material becomes paramagnetic.
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