The susceptibility of a magnetism at 300 K is 1.2 × 1 0 − 5 . The temperature at which the susceptibility increases to 1.8 × 1 0 − 5 is

χ = T C ⇒ χ 2 χ 1 = T 1 T 2 ⇒ 1.8 × 1 0 − 5 1.2 × 1 0 − 5 = 300 T 2 ⇒ T 2 ⇒ 18 12 × 300 = 200 K

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PhysicsMagnetismMagnetic properties of matterMedium2 minPYQ_2014

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The susceptibility of a magnetism at $300 K$ is $1.2 \times 1 0^{- 5}$ . The temperature at which the susceptibility increases to $1.8 \times 1 0^{- 5}$ is

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$χ = \frac{C}{T} \Rightarrow \frac{χ _{1}}{χ _{2}} = \frac{T _{2}}{T _{1}} \Rightarrow \frac{1.2 \times 1 0 ^{- 5}}{1.8 \times 1 0 ^{- 5}} = \frac{T _{2}}{300} \Rightarrow T_{2} \Rightarrow \frac{12}{18} \times 300 = 200 K$

Stream:BITSATSubject:PhysicsTopic:MagnetismSubtopic:Magnetic properties of matter

⏱ 2mℹ️ Source: PYQ_2014

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