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Match List I with List II.
Column I Column II A. Diamagnetic I . χ = 0 I. \chi = 0 I . χ = 0
B. Ferromagnetic I I .0 > χ > − 1 II. 0 > \chi > -1 II .0 > χ > − 1
C. Paramagnetic I I I . χ > > 1 III. \chi >> 1 III . χ >> 1
D. Non-magnetic I V .0 < χ ≪ ε IV. 0 < \chi \ll \varepsilon I V .0 < χ ≪ ε (a small positive number)
medium
Magnetism and Matter
2024
physics
Explanation To solve this problem, we need to understand the magnetic properties and their corresponding magnetic susceptibilities ( χ ) . (\chi). \newline ( χ ) . Let's analyze each type: • \newline • • Diamagnetic materials: − \\
- − These materials have a negative susceptibility, typically very small. − \\
- − The range for diamagnetic susceptibility is 0 > χ > − 1. − 0 > \chi > -1. \\
- 0 > χ > − 1. −
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Therefore, A matches with II.
Ferromagnetic materials:
These materials have a very high positive susceptibility.
The susceptibility is much greater than 1, i.e.,
χ > > 1. − \chi >> 1. \\
- χ >> 1. − Therefore, B matches with III.
Paramagnetic materials:
These materials have a small positive susceptibility.
The range is
0 < χ ≪ ε 0 < \chi \ll \varepsilon 0 < χ ≪ ε (a small positive number).
Therefore, C matches with IV.
Non-magnetic materials:
These materials have zero susceptibility.
Thus,
χ = 0. − \chi = 0. \\
- χ = 0. − Therefore, D matches with I.
Based on the above analysis, the correct matching is:
A->II, B->III, C->IV, D->I.
This corresponds to Option 3.