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A sample of paramagnetic salt contains 2...

A sample of paramagnetic salt contains `2xx10^(24)` atomic dipoles, each of moment `1.5xx10^(-23)JT^-1`. The sample is placed under a homogeneous magnetic field of `0.64T` and cooled to a temperature of `4.2K`. The degree of magnetic saturation archieved is equal to `15%`. What is the total dipole moment of the sample for a mangetic field of `0.98T` and a temperature of `2.8K`. (Assume Curie's law).

A

`8 xx 10^(3) J//T`

B

` 8 J//T`

C

` 8 xx 10 ^(-3) J//T`

D

` 25 J//T`

Text Solution

Verified by Experts

The correct Answer is:
B
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