Question
What is Curle temperature? Distinguish between diamagnetic and paramagnetic substances.

Answer

The temperatur at which a ferrimagnetic materlal tranforma ints a parumagretic Hotrance is called Cone temperature ( $T_i$ ) of that material.
Diamagnetic substanceParamagnetic substance
1. It is weakly repelled by a magnet1. It is weakly attracted by a magnet
2. Magnetic moment of every atom of a diamagnetic substance is zero2. Every atom of a paramagnetic substance is a magnetic dipole having a certain resultant magnetic moment.

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