| ASSERTION: The product of magnetic susceptibility and absolute temperature for a paramagnetic substance is a constant. |
| REASON: The magnetic susceptibility of a paramagnetic material does not depend on temperature. |
A) If both assertion and reason are true and reason is the correct explanation of assertion.
B) If both assertion and reason are true and reason is not the correct explanation of assertion.
C) If assertion is true but reason is false.
D) If both assertion and reason are false.
E) If assertion is false but reason is true.
Correct Answer: C
Solution :
For a paramagnetic substance, according Curie's law \[\chi \propto \frac{1}{T}\] i.e. \[\chi \,T=\]Constant
Where T is temperature in Kelvin and constant is Curie's Constant.
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