Distinguish between diamagnetic and paramagnetic substances.
Q.8 Distinguish between diamagnetic and paramagnetic substances.
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| Diamagnetic substances | Paramagnetic substances |
|---|---|
| Atoms have no net (permanent) magnetic moment. | Atoms have a permanent net magnetic moment. |
| Weakly magnetized opposite to the applied field. | Weakly magnetized along the applied field. |
| Susceptibility is small and negative. | Susceptibility is small and positive. |
| Relative permeability slightly less than 1. | Relative permeability slightly greater than 1. |
| Move from stronger to weaker field (repelled by a magnet). | Move from weaker to stronger field (weakly attracted). |
| Susceptibility is independent of temperature. | Susceptibility is inversely proportional to absolute temperature (Curie’s law). |
| Examples: bismuth, copper, water, gold. | Examples: aluminium, platinum, sodium, oxygen. |
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· 28 Oct 2026
AI-verified · Oct 2026
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