CBSE 2026 · Region 4 · Set 1 · Q14 · 1 mark
Assertion (A) : When a ferromagnetic substance is heated to high temperature it becomes paramagnetic in nature.
Reason (R) : The disappearance of magnetisation of a ferromagnet is abrupt and not gradual.
Official answer
From CBSE’s own marking scheme for this paper.
(C)
Assertion (A) is true, but Reason (R) is false.
Magnetism and MatterMagnetic Properties of MaterialsUnderstandassertion_reasonmedium
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CBSE Class 12 Physics past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.