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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 :

A

`3.726 xx10^(-4)`

B

`3.672xx10^(-4)`

C

`3.267xx10^(-4)`

D

`2.672 xx10^(-4)`

Text Solution

Verified by Experts

The correct Answer is:
C
`chi_(m) prop 1/T`
`(2.8)/(chi_(m)) =300/350 `
`chi_(m) = 3.267 xx 10^(-4)`
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