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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.

List-$I$ (Material)	List-$II$ (Susceptibility $(\chi)$)
$A$. Diamagnetic	$I$. $\chi=0$
$B$. Ferromagnetic	$II$. $0 > \chi \geq -1$
$C$. Paramagnetic	$III$. $\chi >> 1$
$D$. Non-magnetic	$IV$. $0 < \chi < \varepsilon$ (a small positive number)

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

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