Question

What are Diamagnetic substances

Answer 1

Diamagnetic substance:

Diamagnetic substances are those substances which are repelled by a magnet. From microscopic point of view, these are the substances whose atomic orbitals are completely filled. The cause of magnetization for these substances is the orbital motion of electron in which velocity of the electron is affected by the external magnetic field.

Some examples of diamagnetic substances are antimony, bismuth, copper, lead, gold, silver, zinc, quartz, mercury, alcohol, sodium chloride, water, hydrogen, air, argon etc

Properties of diamagnetic substances:

When it is placed in a magnetic field, it develops weak magnetization in a direction opposite to the direction of the magnetizing field.

As soon as the magnetizing field is removed, it loses its magnetization.

The magnetic susceptibility does not depend upon temperature. It has a small negative value

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