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A paramagnetic material has 10^(28) atom...

A paramagnetic material has `10^(28) atoms//m^(3)`. Its magnetic susceptibility at temperature `350K` is `2.8xx10^(-4)`. Its susceptibility at `300K` is :

Text Solution

Verified by Experts

According to Curie law for paramagnetic substance
`chi alpha 1/(T_(C))`
`(chi_(1))/(chi_(2))=(T_(C_(2)))/(T_(C_(1)))`
`=(2.8xx10^(-4))/(chi_(2))=300/350`
`chi_(2)=(2.8xx350xx10^(-4))/300`
`=3.266xx10^(-4)`
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