CBSE 2023 · Region 1 · Set 1 · Q16 · 1 mark
Assertion (A) : When a bar of copper is placed in an external magnetic field, the field lines get concentrated inside the bar. Reason $\displaystyle (R)$ : Copper is a paramagnetic substance.
Official answer
From CBSE’s own marking scheme for this paper.
(D)
Assertion (A) is false and Reason (R) is also false.
Magnetism and MatterMagnetic Properties of MaterialsAnalyseassertion_reasonmedium
More from Magnetism and Matter
- Assertion: When a ferromagnetic substance is heated to high temperature it becomes paramagnetic in nature.…2026 · asked 3×
- Assertion: All atoms have a net magnetic moment. Reason (R): A current loop does not always behave as a…2026 · asked 3×
- A piece of a diamagnetic material, free to move when placed in a uniform magnetic field:2025 · asked 3×
- Assertion: Diamagnetic substances exhibit magnetism. Reason (R): Diamagnetic materials do not have permanent…2023 · asked 3×
- A diamagnetic substance is brought near the north or south pole of a bar magnet. It will be:2023 · asked 3×
- The magnetic susceptibility for a diamagnetic material is2024 · asked 3×
- Which of the following has its permeability less than that of free space?2023 · asked 2×
- Which of the following materials has positive and small value of magnetic susceptibility?2026
CBSE Class 12 Physics past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.