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(C) The magnetic susceptibility $(\chi)$ of diamagnetic substances is independent of temperature. For paramagnetic substances, $\chi$ follows Curie's

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Diamagnetic substances

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(C) The magnetic susceptibility $(\chi)$ of diamagnetic substances is independent of temperature. For paramagnetic substances, $\chi$ follows Curie's Law, $\chi \propto 1/T$. For ferromagnetic and ferrimagnetic substances, $\chi$ depends on temperature according to the Curie-Weiss Law, $\chi \propto 1/(T - T_c)$, where $T_c$ is the Curie temperature. Therefore, diamagnetic substances are the only ones among the options whose magnetic susceptibility does not depend on temperature.

Among the following, for which substance does the magnetic susceptibility not depend on the temperature?

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