. Which of the following is weakly repelled by magnetic field?


(a)Ferromagnetic substances

(b)Paramagnetic substance

(c)Diamagnetic substance

(d)Ferrimagnetic substances

 

Best Answer

Ans.(c)

Diamagnetic substances are weakly repelled by a magnetic field. H2O, NaCl and C6H6 are some examples of such substances. They are weakly magnetised in a magnetic field in opposite direction. Diamagnetism is shown by those substances in which all the electrons are paired and there are  no unpaired electrons. Pairing of electrons cancels their magnetic moments and they lose their magnetic character.

 

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