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(B) The Curie-Weiss law describes the behaviour of magnetic susceptibility $\chi$ of a ferromagnetic material with respect to temperature $T$ above th

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(B) The Curie-Weiss law describes the behaviour of magnetic susceptibility $\chi$ of a ferromagnetic material with respect to temperature $T$ above the Curie temperature $T_c$:$\chi = \frac{C}{T - T_c}$where $C$ is the Curie constant.As $T$ increases above $T_c$,the denominator $(T - T_c)$ increases,causing the magnetic susceptibility $\chi$ to decrease. The relationship $\chi \propto \frac{1}{T - T_c}$ represents a hyperbolic curve that decreases as temperature increases. Among the given options,the graph in option $(B)$ correctly represents this inverse relationship where $\chi$ decreases as $T$ increases for $T > T_c$.

The variation of magnetic susceptibility with the temperature of a ferromagnetic material can be plotted as

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