Match List-I with List-II.

**List-I (Material)**
(A) Diamagnetic
(B) Ferromagnetic
(C) Paramagnetic
(D) Non-m

Question

Match List-I with List-II.

**List-I (Material)**
(A) Diamagnetic
(B) Ferromagnetic
(C) Paramagnetic
(D) Non-magnetic

**List-II (Susceptibility $\chi$)**
(I) $\chi = 0$
(II) $0 > \chi \ge -1$
(III) $\chi \gg 1$
(IV) $0 < \chi < \epsilon$ (a small positive number)

Choose the correct answer from the options given below:

Accepted Answer

1. **Diamagnetic Materials (A):** These substances are weakly repelled by magnetic fields. Their magnetic susceptibility ($\chi$) is small and negative. This matches with **(II)** $0 > \chi \ge -1$.
2. **Ferromagnetic Materials (B):** These substances are strongly attracted by magnetic fields. Their susceptibility is positive and very large. This matches with **(III)** $\chi \gg 1$.
3. **Paramagnetic Materials (C):** These substances are weakly attracted by magnetic fields. Their susceptibility is positive but small. This matches with **(IV)** $0 < \chi < \epsilon$.
4. **Non-magnetic Materials (D):** These materials do not interact with magnetic fields, meaning their susceptibility is zero. This matches with **(I)** $\chi = 0$.

**Conclusion:** The correct matching sequence is A-II, B-III, C-IV, D-I.

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