A) \[3.267\times {{10}^{-4}}\]
B) \[3.672\times {{10}^{-4}}\]
C) \[3.726\times {{10}^{-4}}\]
D) \[2.672\times {{10}^{-4}}\]
Correct Answer: A
Solution :
For Paramagnetic materials \[\chi \times \frac{1}{R}\] |
\[\frac{{{\chi }_{1}}}{{{\chi }_{2}}}=\frac{{{T}_{2}}}{{{T}_{1}}}\] |
\[\Rightarrow \] \[{{\chi }_{2}}=\frac{{{T}_{1}}}{{{T}_{2}}}\times {{\chi }_{1}}=\frac{350}{300}\times 2.8\times {{10}^{-4}}\] \[=3.267\times {{10}^{-4}}.\] |
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