CBSE 2025 · Region 4 · Set 3 · Q5 · 1 mark
Which of the following substances has magnetic permeability less than that of free space?
Official answer
From CBSE’s own marking scheme for this paper.
(D)
Copper
Magnetism and MatterMagnetisation and Magnetic IntensityRemembermcqmedium
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CBSE Class 12 Physics past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.