HSC PHYSICS CHP 11 MAGNETIC METERIALS
MOST IMPORTANT QUESTIONS 2023/24
1. DEFINE MAGNETIZATION .STATE ITS FORMULA ,SI UNIT & DIMENSIONS
2. WHAT IS MAGNETIZATION
3. DEFINE MAGNETIC INTENSITY AND MAGNETIC SUSCEPTIBLITY
4. SHOW THAT ORIBITAL MAGNETIC MOMENT OF A REVOLVING ELECTRON IS EVR/2
OR
5. DERIVE AN EXPRESSION FOR MAGNETIC DIPOLE MOMENT OF REVOLVING ELECTRON
OR
6. IN AN HYDROGEN ATOM OBTAIN AN EXPRESSION FOR MAGNETIC DIPOLE MOMENT FOR REVOLVING ELECTRON
7. EXPLAIN FERROMAGNETISM ON THE BASIS OF DOMAIN THEORY
8. DISTINGUISH BETWEEN DIAMAGNETIC, FERROMAGNETIC AND PARAMAGNETIC SUBSTANCES.
9. DRAW DIAGRAM SHOWING DIPOLE MOMENTS IN DIMAGNETIC,PARAMAGNETIC AND FERROMAGNETIC SUBSTANCE WHEN EXTERNAL MAGNETIC FIELD IS ABSENT & WHEN IT IS STRONG
10. WHAT IS CURIE TEMPERATURE AND WHAT HAPPENS ABOVE CURIE TEMPERATURE
11.WHAT HAPPENS WHEN A ROD OF DIMAGNETIC METERIAL IS PLACED IN NON UNIFORM MAGNETIC FIELD