1. Mechanics & Energy | Motion of a trolley with spring force, work done, power increase, gravitational potential and kinetic energy, energy conservation. 2. Thermal Physics | Heat transfer through metal, gas behavior under changing temperature and pressure, thermal equilibrium. 3. Waves & Optics | Dispersion of white light through a prism, speed variation in different mediums, wavelength and frequency relationships. 4. Sound & Ultrasound | Longitudinal vs. transverse waves, ultrasound applications in medical imaging, wave behavior in different tissues. 5. Electricity & Magnetism | Circuit analysis with a filament lamp, current-voltage characteristics, resistance variation, electromagnetic forces on magnets. 6. Modern Physics & Astronomy | Radioactive decay, half-life calculations, nuclear reactions in stars, life cycle of massive stars, stability mechanisms.