NEET Physics Magnetic Properties of Materials Match the Following Question
Match Column-I with Column-II.
| Column-I | Column-II |
|---|---|
| (a) Paramagnetic material | (i) Alnico |
| (b) Hard ferromagnetic material | (ii) Enhanced magnetisation |
| (c) Magnetic dipole moment | (iii) Random thermal motion |
| (d) Moving towards strong field | (iv) Non-uniform magnetic field |
a-iii, b-i, c-ii, d-iv
a-ii, b-iv, c-iii, d-i
a-iv, b-iii, c-i, d-ii
a-iii, b-iv, c-i, d-ii
Correct Answer
Detailed Explanation
In paramagnetic materials, the individual atoms possess a permanent magnetic dipole moment but exhibit random thermal motion, resulting in no net magnetisation. Hard ferromagnetic materials like Alnico retain magnetisation even when the external field is removed. The motion towards stronger fields occurs in non-uniform magnetic fields, which is consistent with the NCERT content.
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