TGBIE · 2nd Year · MPC & BiPC

Physics — Revision Checklist

Tick off each topic as you revise. All 16 chapters from the official TGBIE 2025-26 Physics 2nd Year annual plan. Paper: 60 marks · 3 hours.

Waves

Types of waves, transverse and longitudinalSpeed of wave, wavelength, frequency relationsSuperposition principle, standing wavesVibrations of strings and air columnsBeats, Doppler effect

Ray Optics and Optical Instruments

Reflection at plane and spherical surfacesRefraction, Snell's law, total internal reflectionRefraction at spherical surfaces and lensesLens formula, power of lens, lens maker's formulaPrism — deviation and dispersionOptical instruments: microscope, telescope

Wave Optics

Huygens' principle and wave theoryInterference of light, Young's double slitConditions for bright and dark fringesDiffraction — single slitPolarisation — Brewster's law, Malus' law

Electric Charges and Fields

Coulomb's law and superpositionElectric field and field linesElectric dipole and field due to dipoleGauss's theorem and applications

Electrostatic Potential and Capacitance

Electric potential and potential differencePotential due to point charge, dipole, shellRelation between E and VCapacitor — parallel plate, capacitance formulaEnergy stored in capacitorDielectrics and capacitance

Current Electricity

Moving Charges and Magnetism

Biot-Savart law and applicationsAmpere's circuital lawForce on moving charge (Lorentz force)Force between parallel conductorsCyclotron principleGalvanometer — conversion to ammeter and voltmeter

Electromagnetic Induction

Faraday's laws and Lenz's lawInduced EMF and currentMutual and self inductanceAC generator principle

Alternating Current

AC EMF and current, RMS valuesAC through R, L, C individuallyLCR series circuit and resonancePower in AC circuit, power factorTransformer principle and efficiency

Electromagnetic Waves

Maxwell's equations (conceptual)EM wave propagation and propertiesElectromagnetic spectrum

Dual Nature of Radiation and Matter

Photoelectric effect — observationsEinstein's photoelectric equationWork function, threshold frequencyde Broglie wavelengthDavisson-Germer experiment

Atoms

Thomson model and Rutherford modelBohr's model — postulatesEnergy levels and spectral series of hydrogenAtomic spectra

Semiconductor Electronics

Energy bands — conductor, semiconductor, insulatorIntrinsic and extrinsic semiconductorsp-n junction diode characteristicsHalf-wave and full-wave rectifierZener diode and voltage regulationTransistor — characteristics and amplifierLogic gates — AND, OR, NOT, NAND, NOR

Communication Systems

Modes of propagationBandwidth of signal and transmission mediumAmplitude modulationNeed for modulation

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