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Question

The $χ - (\frac{1}{T})$ graph for an alloy of paramagnetic nature is shown in figure. The curie constant is, then

$57 K$
$2.8 \times 10^{- 3} K$
$570 K$
$17.5 \times 10^{- 3} K$

A

57 K

B

2.8 \times 10^{- 3} K

C

570 K

D

17.5 \times 10^{- 3} K

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Solution

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$X = C \times \frac{1}{T} = \frac{0.4}{1 \times 7^{- 3}} = 57 K$

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