Chapter 21 Electric Potential 1. Electric Potential and Potential Difference 2. Relation Between Electric Potential and Electric Field 3. The Calculation of Electric Potential 4. Equipotential Surfaces 5. Electrostatic Potential Energy

Chapter 22Conductor Dielectrics. ElectricEnergy Storage Capacitance Dielectrics Energy Stored in an Electric Field

爱因斯坦: Albert einstein 现代时空的创始人(1879-1955)

Chapter 34Quantum Mechanics 1. Heisenberg Uncertainty Principle 2. Schrodinger's Equation

The speed of sound Sound waves are longitudinal mechanical waves that can travel through solids, liquids, or gases. The speed of a sound wave in medium(having bulk modulus(容变弹性模量)and density p) is:

Chapter 13 &14 Wave Motion and Sound 1. Simple Harmonic Waves 2. Wave Equation 3. Energy and Power of Waves Interference of Waves Standing Waves 1. The Doppler Effect

Chapter 26 Sources of Magnetic Field 1. Biot-savart's law 2. Magnetic Flux and Gauss'Law 3 Amperes Law 4. Magnetic Materials

Chapter 28 Inductance and Electromagnetic Oscillations 1. Self and Mutual Induction 2. Energy Stored in a Magnetic Field

1-1 Frame of Reference Particle(质点) 1. Frame of Reference(参照系) When we discuss the position and the velocity(速度)ofan object ,we must answer the o questions:

Chapter 29 Maxwell's Equations and Electromagnetic Waves 1. Displacement Current Ampere-Max' Law 2. Maxwell's Equation 3. Electromagnetic Waves