The variation of magnetic susceptibility (chi | vedclass

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(B) For a diamagnetic substance,the magnetic susceptibility $(\chi)$ is small and negative. It arises due to the orbital motion of electrons,which is

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(B) For a diamagnetic substance,the magnetic susceptibility $(\chi)$ is small and negative. It arises due to the orbital motion of electrons,which is essentially independent of the thermal agitation of the atoms. Therefore,the magnetic susceptibility $(\chi)$ of a diamagnetic substance does not change with temperature. This is represented by a horizontal line parallel to the temperature axis in the negative region of the $\chi$ axis.

The variation of magnetic susceptibility $(\chi )$ with temperature for a diamagnetic substance is best represented by:

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