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प्रश्न
Which of the following statements is not true?
विकल्प
Paramagnetic substances are weakly attracted by magnetic field.
Ferromagnetic substances cannot be magnetised permanently.
The domains in antiferromagnetic substances are oppositely oriented with respect to each other.
Pairing of electrons cancels their magnetic moment in the diamagnetic substances.
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उत्तर
Ferromagnetic substances cannot be magnetised permanently.
Explanation:
Ferromagnetic species are strongly attracted in the magnetic field and can be permanently magnetised.
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