CH15 Electric Forces and Electric Fields
CH16 Electrical Energy and Capacitance
CH17 Current and Resistance
CH18 Direct-Current Circuits
CH19 Magnetism
CH20 Induced Voltages and Inductance
CH21 Alternating Current Circuits and Electromagnetic Waves
CH22 Reflection and Refraction of Light
CH23 Mirrors and Lenses
CH24 Wave Optics
CH25 Optical Instruments