Magnetism and Matter
CBSE Class 12 Physics · every board question from this chapter, 2023–2026 · 8 of them repeated across years
- Which of the following materials has positive and small value of magnetic susceptibility?2026
- Which one of the following materials has magnetic susceptibility χ in the range -1 ≤ χ<0?2026
- Which of the following substance has relative magnetic permeability μ r 1?2026
- Assertion: All atoms have a net magnetic moment. Reason (R): A current loop does not always behave as a magnetic dipole.2026asked 3×
- Assertion: When a ferromagnetic substance is heated to high temperature it becomes paramagnetic in nature. Reason (R): The…2026asked 3×
- A diamagnetic substance is brought, one by one, near the north pole and the south pole of a bar magnet. It is2025
- The magnetic field due to a small magnetic dipole of dipole moment' M 'at a distance' r 'from the centre along the axis of the…2025
- A piece of a diamagnetic material, free to move when placed in a uniform magnetic field:2025asked 3×
- A material is pushed out when placed in a uniform magnetic field. The material is2025
- Which of the following substances has magnetic permeability less than that of free space?2025
- Which one out of the following materials is not paramagnetic?2025
- The materials having negative magnetic susceptibility are:2025
- The magnetic moment ( 5 J / T ) of a bar magnet points along a uniform magnetic field 0 · 4 T. Calculate (i) the potential energy…2025
- Which of the following pairs is that of paramagnetic materials?2024
- An iron needle is kept near a strong bar magnet. It will experience2024
- Which of the following material has its magnetic susceptibility x in the range 0<x<ε, where ε is positive and small?2024
- Which of the following is a diamagnetic substance?2024
- The magnetic susceptibility for a diamagnetic material is2024asked 3×
- A bar magnet of magnetic moment 2 · 5 JT^-1 lies aligned with the direction of a uniform magnetic field of 0 · 32 T. Find the…2024
- Which of the following has its permeability less than that of free space?2023asked 2×
- The magnetic field lines near a substance are as shown in the figure. The substance is:2023
- Which of the following cannot modify an external magnetic field as shown in the figure?2023
- A diamagnetic substance is brought near the north or south pole of a bar magnet. It will be:2023asked 3×
- Which one of the following has relative magnetic permeability between 0 and 1?2023
- Which one of the following has negative value of susceptibility?2023
- Assertion: When a bar of copper is placed in an external magnetic field, the field lines get concentrated inside the bar. Reason…2023asked 3×
- Assertion: Diamagnetic substances exhibit magnetism. Reason (R): Diamagnetic materials do not have permanent magnetic dipole…2023asked 3×
- Answer the following giving reasons: Do the magnetic field lines also represent the 'lines of force' on a moving charged particle…2023
- A small magnetised needle P is placed at the origin of x-y plane with its magnetic moment pointing along the y -axis. Another…2023
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