For protecting a magnetic needle, it should be placed:

1. In an iron box.
2. In a wooden box.
3. In a metallic box.
4. None of these.

Subtopic:  Magnetic Materials |
From NCERT
AIPMT - 1998
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NEET 2023 - Target Batch - Aryan Raj Singh
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Among which of the following the magnetic susceptibility does not depend on the temperature:
1. Diamagnetism 
2. Paramagnetism
3. Ferromagnetism
4. Ferrite

Subtopic:  Magnetic Materials |
 86%
From NCERT
AIPMT - 2001
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NEET 2023 - Target Batch - Aryan Raj Singh

Diamagnetic material in a magnetic field moves:

1. from stronger to the weaker parts of the field
2. from weaker to the stronger parts of the field
3. perpendicular to the field
4. in none of the above directions

Subtopic:  Magnetic Materials |
 80%
From NCERT
AIPMT - 2003
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

If the magnetic dipole moment of an atom of diamagnetic material, paramagnetic material and ferromagnetic material are denoted by µd, µp, and µf respectively, then:

1. µp = 0 and µf ≠ 0

2. µd ≠ 0 and µp = 0

3. µd ≠ 0 and µf ≠ 0

4. µd = 0 and µp ≠ 0

Subtopic:  Magnetic Materials |
 79%
From NCERT
AIPMT - 2005
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NEET 2023 - Target Batch - Aryan Raj Singh
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To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh