Physics 12 Physics 12
UNIT I: Electrostatics
- electric field due to a point charge
- Gauss’s theorem and its applications
UNIT III: Magnetic Effects of Current and Magnetism
- Biot-Savart law and its application
- its applications
- magnetic field due to a current-carrying circular loop
- cyclotron
UNIT IV: Electromagnetic Induction and Alternating Currents
UNIT V: Electromagnetic Waves
- electromagnetic spectrum (radio waves, microwaves, infrared, visible, ultraviolet, X-rays, gamma rays) applications
UNIT VI: Optics
- Reflection and refraction of light
- total internal reflection
- optical instruments (microscopes, telescopes)
- wave nature of light
- Huygens’ principle
- Young’s double slit experiment
- resolving power of microscope and telescope
UNIT VII: Dual Nature of Radiation and Matter
- Einstein’s photoelectric equation
- particle nature of light
- matter waves
- de Broglie hypothesis
- Davisson-Germer experiment
UNIT VIII: Atoms and Nuclei
- energy levels
- hydrogen spectrum
- radioactivity
- alpha
- beta and gamma rays
- decay law
- half-life
- nuclear reactions
UNIT IX: Electronic Devices
- Semiconductor materials
- semiconductor diode Characteristics
- diode as a rectifier
- Zener diode as a voltage regulator
- junction transistor
- transistor action
- transistor as an amplifier (CE configuration)
- transistor as a switch