As the susceptibility of given magnetic material (X = 1.9 ×10⁻⁵) is extremely small but positive, the materials is a paramagnetic material. Class 12 Physics Chapter 5 Magnetism and Matter Session 2024-2025.
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No, diamagnetic substances do not have a resultant magnetic moment in an atom in the absence of an external magnetic field because their electron pairs have opposite spins, canceling out. Class 12 Physics Chapter 5 Magnetism and Matter Session 2024-2025.
Out of given substances only Al and Ca are paramagnetic. Class 12 Physics Chapter 5 Magnetism and Matter Session 2024-2025.
Out of given substances only Bi and Cu are diamagnetic. Class 12 Physics Chapter 5 Magnetism and Matter Session 2024-2025.
Since relative permeability of a give material (.U^r = 0.9983) is slightly less than 1, the material is a diamagnetic material. Class 12 Physics Chapter 5 Magnetism and Matter Session 2024-2025.