Air is an example of ______________.

Question

Question

Answer 1

CONCEPT :

The given table below shows the behavior of each material in the external magnetic field.

Diamagnetic Substance	Paramagnetic substances	Antiferromagnetic material	Ferromagnetic substances
Diamagnetic substances are those which develop feeble magnetization in the opposite direction of the magnetizing field.	Paramagnetic substances are those which develop feeble magnetization in the direction of the magnetizing field.	In ferromagnetic substances, the atomic dipole moments align parallel to each other but in antiferromagnetic substances, there is a tendency for antiparallel alignment of electron spins of neighboring atoms	Ferromagnetic substances are those which develop strong magnetization in the direction of the magnetizing field.
Such substances are feebly repelled by magnets and tend to move from stronger to weaker parts of a magnetic field.	Such substances are feebly attracted by magnets and tend to move from weaker to stronger parts of a magnetic field.		They are strongly attracted by a magnet and tend to move from weaker to the stronger part of a magnetic field.
Magnetic susceptibility is small and negative i.e. -1 ≤ χ ≤ 0.	Magnetic susceptibility is small and positive i.e. χ > 0		Magnetic susceptibility is very large and positive i.e. χ > 1000
Examples: Bismuth, copper, lead, zinc, etc.	Example: Manganese, aluminum, chromium, platinum, air, etc.		Example: Iron, cobalt, nickel, gadolinium, and alloys like alnico

EXPLANATION:

From the above explanation, we can see that

Air is an example of paramagnetic material since under an external magnetic field it forms an electric dipole.

Additional Information

Properties of paramagnetic materials:

1) When removing the magnetizing field, the paramagnetic material lose their magnetization.

2) Paramagnetic materials have weak magnetization along the direction of the magnetic field.

3) The magnetic lines of force prefer to pass through these materials.

4) The magnetic permeability of paramagnetic materials is slightly greater than one.