Magnetism and Matter Definition, Types, Examples & Uses

Magnetism and Matter

Subject: General Science

Book: NCERT Physics Class 12

Study of magnetic properties of matter.
- **Magnetic Dipole & Moment**:
- Magnetic field due to a dipole.
- **Earth’s Magnetism**:
- Magnetic field components.
- **Magnetic Materials**:
- Diamagnetic, paramagnetic, ferromagnetic.

**Possible Exam Questions:**
1. Define the term ‘magnetic dipole moment’.
2. Explain Earth’s magnetic field and its variations.
3. Differentiate between diamagnetic, paramagnetic, and ferromagnetic substances.
4. What are magnetic field lines? Describe their properties.
5. Explain the significance of hysteresis curve in magnetism.