Question

Distinguish between diamagnetic and paramagnetic substances.

Answer 1

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Paramagnetic materials are attracted by external magnetic fields whereas diamagnetic materials are repelled.

Paramagnetic materials have at least one unpaired electron in the system, but diamagnetic materials have all their electrons paired.

The magnetic field created by paramagnetic materials are in the direction of the external magnetic field whereas the magnetic field created by diamagnetic materials are opposing in direction to the external magnetic field.

Paramagnetism is a stronger magnetic behaviour exhibited only by selective materials, whereas diamagnetism is a weak magnetic behaviour generally shown by all materials and easily suppressed in the presence of stronger magnetic properties.

Answer 2

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Paremagnetic substance are attracted by external magnetic fields whereas dimagnetic substance are repelled. Paremagnetic substance has at least one unpaired electron in the system but dimagnetic substance has all their electrons paired.