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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