Magnetic Properties
CHXII01:THE SOLID STATE

318867 Which of the following statements is not true?

1 Paramagnetic substances are weakly attracted by magnetic field.
2 Ferromagnetic substances cannot be magnetised permanently.
3 The domains in anti-ferromagnetic substances are oppositely oriented with respect to each other.
4 Pairing of electrons cancels their magnetic moment in the diamagnetic substances.