> Q. A paramagnetic material has $10^{28} atoms/m^3$. Its magnetic susceptibility at temperature $350, K$ is $2.8 times 10^{-4}$. Its susceptibility at $300, K$ is : – LIVE ANSWER TODAY

Q. A paramagnetic material has $10^{28} atoms/m^3$. Its magnetic susceptibility at temperature $350, K$ is $2.8 times 10^{-4}$. Its susceptibility at $300, K$ is :

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A paramagnetic material has $10^{28} atoms/m^3$. Its magnetic susceptibility at temperature $350, K$ is $2.8 times 10^{-4}$. Its susceptibility at $300, K$ is :

Solution:

$x propto frac{1}{T_C}$

curie law for paramagnetic substane

$frac{x_1}{x_2} , = frac{T_{C_{2}}}{T_{C_{1}}}$

$frac{2.8 times 10^{-4}}{x_2} , , = , , frac{300}{350}$

$x_2 , , frac{2.8 times 350 times , 10^{-4}}{300}$

$3.266 times 10^{-4}$

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