Unit I: Electrostatics

High Probability for Case Study Questions

1. Electric Dipole: Field at Axial and Equatorial points. Derivation
2. Gauss’s Law: Application for Infinitely Long Wire and Thin Sheet.
3. Equipotential Surfaces: Properties and drawings for point charges. Case Study
4. Capacitance: Parallel Plate Capacitor with Dielectric slab:
   $$C = \frac{\epsilon_0 A}{d-t(1-1/K)}$$
5. Energy Density: Derivation for a charged capacitor.

Unit II: Current Electricity

Focus: Kirchhoff’s Rules & Graphs

1. Drift Velocity: Relation \(I = nAev_d\) and relaxation time.
2. Resistivity Graphs: \(\rho\) vs Temperature for Copper and Nichrome.
3. Internal Resistance: Relation between EMF (\(E\)) and Voltage (\(V\)).
4. Kirchhoff’s Rules: Junction and Loop rule numericals.

Units III & IV: Magnetic Effects, EMI & AC

1. Moving Coil Galvanometer: Principle and conversion to Voltmeter. 5 Marks
2. Force on Charge: Path of particle in magnetic field. Case Study
[Image of charged particle path in magnetic field]
3. LCR Series Circuit: Phasor Diagram and Resonance Triangle.
4. AC Generator: Construction and working principle.
[Image of AC generator diagram]
5. Transformer: Energy losses (Eddy currents, Hysteresis).

Unit VI: Optics (Ray & Wave)

The Highest Weightage Section

1. Lens Maker’s Formula: Full derivation for thin lenses.
2. Prism: Refraction and Minimum Deviation curve (\(i\) vs \(\delta\)).
[Image of total internal reflection diagram]
3. Optical Instruments: Microscope and Telescope Ray Diagrams. 5 Marks
4. Huygens’ Principle: Reflection and Refraction Laws using Wavefronts.
5. YDSE: Fringe width derivation and intensity distribution.

Units VII, VIII & IX: Atoms, Nuclei & Semiconductors

1. Photoelectric Effect: Einstein’s Equation and Stopping Potential graphs.
2. Hydrogen Spectrum: Rydberg formula and Series (Lyman to Pfund).
[Image of hydrogen atom energy level diagram]
3. Mass Defect: Binding Energy per Nucleon stability curve.
4. PN Junction Diode: Forward and Reverse Bias VI characteristics.
5. Full Wave Rectifier: Circuit diagram and center-tapped transformer role.