Magnetism and Matter - Result Question 16
20. If a diamagnetic substance is brought near the north or the south pole of a bar magnet, it is:
[2009, 1999]
(a) repelled by the north pole and attracted by the south pole (b) attracted by the north pole and repelled by the south pole
(c) attracted by both the poles
(d) repelled by both the poles
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Answer:
Correct Answer: 20. (d)
Solution:
- (d) Diamagnetic substances do not have any unpaired electron. And they are magnetised in direction opposite to that of magnetic field. Hence, when they are brought to north or south pole of a bar magnet, they are repelled by poles.
