Magnetic Properties of Materials
PHXII05:MAGNETISM and MATTER

360435 If \(M_{z}=\) magnetisation of paramagnetic sample, \(B=\) external magnetic field, \(T=\) absolute temperature, \(C=\) curie constant, then according to Curie's law in magnetism, the correct relation is

1 \(M_{z}=\dfrac{T}{C B}\)
2 \(M_{z}=\dfrac{C B}{T}\)
3 \(C=\dfrac{M_{z} B}{T}\)
4 \(C=\dfrac{T^{2}}{M_{z} B}\)
PHXII05:MAGNETISM and MATTER

360436 The magnetic susceptibility of a paramagnetic material at \( - 73^\circ C\) is 0.0075 and its value at \(173^\circ C\) will be

1 0.0030
2 0.0075
3 0.0045
4 0.015
PHXII05:MAGNETISM and MATTER

360437 A paramagnetic sample shows a net magnetisation of \(8A{m^{ - 1}}\) when placed in an external magnetic field of \(0.6 T\) at a temperature of 4\(K\). When the same sample is placed in an external magnetic field of \(0.2 T\) at a temperature of 16\(K\), the magnetisation will be

1 \(\frac{2}{3}A{m^{ - 1}}\)
2 \(\frac{{32}}{3}A{m^{ - 1}}\)
3 \(2.4A{m^{ - 1}}\)
4 \(6A{m^{ - 1}}\)
PHXII05:MAGNETISM and MATTER

360438 Assertion :
The product of magnetic susceptibility and absolute temperature for a paramagnetic substance is a constant.
Reason :
For paramagnetic material susceptibility does not depend on temperature.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII05:MAGNETISM and MATTER

360435 If \(M_{z}=\) magnetisation of paramagnetic sample, \(B=\) external magnetic field, \(T=\) absolute temperature, \(C=\) curie constant, then according to Curie's law in magnetism, the correct relation is

1 \(M_{z}=\dfrac{T}{C B}\)
2 \(M_{z}=\dfrac{C B}{T}\)
3 \(C=\dfrac{M_{z} B}{T}\)
4 \(C=\dfrac{T^{2}}{M_{z} B}\)
PHXII05:MAGNETISM and MATTER

360436 The magnetic susceptibility of a paramagnetic material at \( - 73^\circ C\) is 0.0075 and its value at \(173^\circ C\) will be

1 0.0030
2 0.0075
3 0.0045
4 0.015
PHXII05:MAGNETISM and MATTER

360437 A paramagnetic sample shows a net magnetisation of \(8A{m^{ - 1}}\) when placed in an external magnetic field of \(0.6 T\) at a temperature of 4\(K\). When the same sample is placed in an external magnetic field of \(0.2 T\) at a temperature of 16\(K\), the magnetisation will be

1 \(\frac{2}{3}A{m^{ - 1}}\)
2 \(\frac{{32}}{3}A{m^{ - 1}}\)
3 \(2.4A{m^{ - 1}}\)
4 \(6A{m^{ - 1}}\)
PHXII05:MAGNETISM and MATTER

360438 Assertion :
The product of magnetic susceptibility and absolute temperature for a paramagnetic substance is a constant.
Reason :
For paramagnetic material susceptibility does not depend on temperature.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII05:MAGNETISM and MATTER

360435 If \(M_{z}=\) magnetisation of paramagnetic sample, \(B=\) external magnetic field, \(T=\) absolute temperature, \(C=\) curie constant, then according to Curie's law in magnetism, the correct relation is

1 \(M_{z}=\dfrac{T}{C B}\)
2 \(M_{z}=\dfrac{C B}{T}\)
3 \(C=\dfrac{M_{z} B}{T}\)
4 \(C=\dfrac{T^{2}}{M_{z} B}\)
PHXII05:MAGNETISM and MATTER

360436 The magnetic susceptibility of a paramagnetic material at \( - 73^\circ C\) is 0.0075 and its value at \(173^\circ C\) will be

1 0.0030
2 0.0075
3 0.0045
4 0.015
PHXII05:MAGNETISM and MATTER

360437 A paramagnetic sample shows a net magnetisation of \(8A{m^{ - 1}}\) when placed in an external magnetic field of \(0.6 T\) at a temperature of 4\(K\). When the same sample is placed in an external magnetic field of \(0.2 T\) at a temperature of 16\(K\), the magnetisation will be

1 \(\frac{2}{3}A{m^{ - 1}}\)
2 \(\frac{{32}}{3}A{m^{ - 1}}\)
3 \(2.4A{m^{ - 1}}\)
4 \(6A{m^{ - 1}}\)
PHXII05:MAGNETISM and MATTER

360438 Assertion :
The product of magnetic susceptibility and absolute temperature for a paramagnetic substance is a constant.
Reason :
For paramagnetic material susceptibility does not depend on temperature.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII05:MAGNETISM and MATTER

360435 If \(M_{z}=\) magnetisation of paramagnetic sample, \(B=\) external magnetic field, \(T=\) absolute temperature, \(C=\) curie constant, then according to Curie's law in magnetism, the correct relation is

1 \(M_{z}=\dfrac{T}{C B}\)
2 \(M_{z}=\dfrac{C B}{T}\)
3 \(C=\dfrac{M_{z} B}{T}\)
4 \(C=\dfrac{T^{2}}{M_{z} B}\)
PHXII05:MAGNETISM and MATTER

360436 The magnetic susceptibility of a paramagnetic material at \( - 73^\circ C\) is 0.0075 and its value at \(173^\circ C\) will be

1 0.0030
2 0.0075
3 0.0045
4 0.015
PHXII05:MAGNETISM and MATTER

360437 A paramagnetic sample shows a net magnetisation of \(8A{m^{ - 1}}\) when placed in an external magnetic field of \(0.6 T\) at a temperature of 4\(K\). When the same sample is placed in an external magnetic field of \(0.2 T\) at a temperature of 16\(K\), the magnetisation will be

1 \(\frac{2}{3}A{m^{ - 1}}\)
2 \(\frac{{32}}{3}A{m^{ - 1}}\)
3 \(2.4A{m^{ - 1}}\)
4 \(6A{m^{ - 1}}\)
PHXII05:MAGNETISM and MATTER

360438 Assertion :
The product of magnetic susceptibility and absolute temperature for a paramagnetic substance is a constant.
Reason :
For paramagnetic material susceptibility does not depend on temperature.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.