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 substances.
Option 2) Ferromagnetic materials such as iron are strongly attracted in the magnetic field and can be permanently magnetised.
