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Magnetic Susceptibility

The susceptib...

Question

The susceptibility of a paramagnetic material is $K$ at 27 $^{o}$ C. At what temperature will its susceptibility be $K / 2$ ?

600^{o} C

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287^{o} C

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54^{o} C

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327^{o} C

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Solution

The correct option is D $327^{o} C$
$χ \propto \frac{1}{T}$
Thus,
$\frac{K}{K / 2} = \frac{T}{300}$
$∴ T = 600 K = 327^{o} C$

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