There are four light-weight-rod samples A, B, C, D separately suspended by threads. A bar magnet is slowly brought near each sample and the following observations are noted: 
(i) A is feebly repelled.
(ii) B is feebly attracted.
(iii) C is strongly attracted.
(iv) D remains unaffected.
Which one of the following is true?


1.  C is of a diamagnetic material.
2.  D is of a ferromagnetic material.
3.  A is of a non-magnetic material.
4.  B is of a paramagnetic material.

Subtopic:  Magnetic Materials |
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The magnetic moment of a diamagnetic atom is

1. 1

2. between zero and one

3. equal to zero

4. much greater than one

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

1. Repelled by both the poles

2. Repelled by the north pole and
    attracted by the south pole

3. Attracted by the north pole and
    repelled by the south pole

4. Attracted by both the poles

Subtopic:  Magnetic Materials |
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Nickel shows the ferromagnetic property at room temperature. If the temperature is increased beyond Curie temperature, then it will show:

1. paramagnetism

2. anti-ferromagnetism

3. no magnetic property

4. diamagnetism

Subtopic:  Magnetic Materials |
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