Which of the following statements is not true?

Question:

Which of the following statements is not true?

(i) Paramagnetic substances are weakly attracted by the magnetic field.

(ii) Ferromagnetic substances cannot be magnetised permanently.

(iii) The domains in antiferromagnetic substances are oppositely oriented

with respect to each other.

(iv) The pairing of electrons cancels their magnetic moment in the diamagnetic

Solution:

Option (ii) Ferromagnetic substances cannot be magnetised permanently is the answer.

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