If a diamagnetic substance is brought near the north or the south pole of a bar magnet, it is :

If a diamagnetic substance is brought near the north or the south pole of a bar magnet, it is :
  1. Attracted by both the poles
  2. Repelled by both the poles
  3. Repelled by the north pole and attracted by the south pole
  4. Attracted by the north pole and repelled by the south pole

Solution

As diamagnetic substances have negative intensity of magnetisation, they are weekly repelled by the external field.

Asked in: NEET 2009 (Mains)

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