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MHT CET202615 April 2026Morning ShiftPhysicsMagnetic Properties of MatterActual

The product of magnetic susceptibility ( ) and absolute temperature (T) is constant for a

Options

  1. Adiamagnetic substance.
  2. Bparamagnetic substance.
  3. Cferromagnetic substance.
  4. Dparamagnetic as well as ferromagnetic substance.

Correct answer

B. paramagnetic substance.

Step-by-step solution

According to Curie's law, the magnetic susceptibility ( ) of a paramagnetic substance is inversely proportional to its absolute temperature ( T ). 1 T = C T T = C where C is Curie's constant. Thus, the product of magnetic susceptibility and absolute temperature is constant for a paramagnetic substance. For diamagnetic substances, susceptibility is independent of temperature. For ferromagnetic substances, susceptibility follows the Curie-Weiss law ( = C T - T_c ) above the Curie temperature. Answer: paramagnetic sub

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