question_answer

Which of the following statements are true about the magnetic susceptibility \[{{\chi }_{m}}\] of paramagnetic substance                                                               [Roorkee 1999]

A)            Value of \[{{\chi }_{m}}\] is inversely proportional to the absolute temperature of the sample

B)            cm is positive at all temperature

C)            \[{{\chi }_{m}}\] is negative at all temperature

D)            \[{{\chi }_{m}}\] does not depend on the temperature of the sample