A) \[327{}^\circ C\]
B) \[54{}^\circ C\]
C) \[237{}^\circ C\]
D) \[1600{}^\circ C\]
Correct Answer: B
Solution :
For paramagnetic material \[\chi \propto \frac{1}{T}\] \[\therefore \] \[\frac{{{\chi }_{1}}}{{{\chi }_{2}}}=\frac{{{T}_{2}}}{{{T}_{1}}}\] \[\frac{\chi }{\frac{\chi }{2}}=\frac{{{T}_{2}}}{27}\] \[27\times 2={{T}_{2}}\] \[{{T}_{2}}=54{{\,}^{o}}C\]
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