A paramagnetic material has 1028 atoms/m3. Its magnetic susceptibility at temperature 350 K is 2.8 $ \times $ 10–4. Its susceptibility at 300 K is :

Question

A paramagnetic material has 10²⁸ atoms/m³. Its magnetic susceptibility at temperature 350 K is 2.8 $ \times $ 10^–4. Its susceptibility at 300 K is :

3.726 $ \times $ 10^–4

2.672 $ \times $ 10^–4

3.672 $ \times $ 10^–4

3.267 $ \times $ 10^$-$4

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