Unit 1: Electrostatics
- Key Concepts:
- Coulomb’s Law: Force between two point charges.
- Electric Field: Definition, formula, and properties.
- Electric Potential: Relation with electric field.
- Capacitance: Definition, formula, and parallel/series combinations.
- Applications of electrostatics: Van de Graaff Generator.
- Important Formulas:
- Electric Force:
- Electric Field:
- Electric Potential:
Unit 2: Current Electricity
- Key Concepts:
- Ohm’s Law: Relation between current, voltage, and resistance.
- Kirchhoff’s Laws: Junction and loop rules.
- Resistivity and conductivity: Relation and factors affecting resistance.
- Cells: Internal resistance, emf, and grouping of cells.
- Important Formulas:
- Ohm’s Law:
- Resistance in series:
- Resistance in parallel:
Unit 3: Magnetic Effects of Current and Magnetism
- Key Concepts:
- Biot-Savart Law: Magnetic field due to a current element.
- Ampere’s Circuital Law: Applications in solenoids and toroids.
- Electromagnetic induction: Faraday’s laws and Lenz’s law.
- Magnetic materials: Diamagnetic, paramagnetic, and ferromagnetic.
- Important Formulas:
- Magnetic Field: (straight wire)
- Faraday’s Law:
Unit 4: Electromagnetic Waves
- Key Concepts:
- Nature of electromagnetic waves: Transverse waves.
- Spectrum: Radio waves, microwaves, infrared, visible, ultraviolet, X-rays, gamma rays.
- Applications of EM waves: Communication, medical imaging.
Unit 5: Optics
- Key Concepts:
- Reflection and refraction: Snell’s law, critical angle.
- Wave optics: Interference, diffraction, and polarization.
- Lens and mirrors: Mirror formula, lens formula.
- Important Formulas:
- Mirror Formula:
- Lens Formula:
Unit 6: Dual Nature of Matter and Radiation
- Key Concepts:
- Photoelectric effect: Einstein’s equation.
- Wave-particle duality: De Broglie hypothesis.
- Applications: Photocells and modern physics experiments.
- Important Formulas:
- De Broglie Wavelength:
- Einstein’s Photoelectric Equation:
Unit 7: Atoms and Nuclei
- Key Concepts:
- Atomic structure: Bohr’s model, energy levels.
- Radioactivity: Alpha, beta, and gamma decay.
- Nuclear reactions: Fission and fusion.
- Important Formulas:
- Energy Levels:
- Half-Life:
Unit 8: Electronic Devices
- Key Concepts:
- Semiconductors: Intrinsic and extrinsic.
- Diodes: PN junction, Zener diode, LED.
- Transistors: Working and applications.
Preparation Tips
- Understand Concepts: Focus on clarity rather than rote memorization.
- Practice Numerical Problems: Solve problems regularly to master application of formulas.
- Use Diagrams: Draw neat, labeled diagrams wherever applicable.
- Revise Regularly: Keep revisiting key concepts and formulas.
This content aligns with the CBSE Class 12 Physics syllabus and covers essential topics and formulas needed for board exam preparation.
For More Information and Updates, Connect With Us
- Name: Survi
- Phone Number: +91-7488713635
- Email ID: survi@eepl.me
- Our Platforms:
- Digilearn Cloud
- EEPL Test
- Live Emancipation
- Follow Us on Social Media:
- Instagram – EEPL Classroom
- Facebook – EEPL Classroom
- https://eepl.me/classes/index.php/blog/
Stay connected and keep learning with EEPL Classroom!
