Interactive videos for unit 2. Watch the videos and answer any questions that pop up to test your understanding.

Conduction of Electricity

Resistivity

Resistivity and Uncertainties

Resistivity Experiment

Superconductivity

Basic Electricity

Potential Dividers

IV Characteristics

EMF and Internal Resistance

EMF and Internal Resistance Experiment

Basic Waves

Diffraction and Interference

Diffraction Equations

Stationary Waves

Refraction

Photoelectric Effect

Wave Particle Duality

Lasers