The Electromagnetic Spectrum

This video discusses the different types of radiation in the EM spectrum and how we measure and study them.

You can view the transcript for “The Electromagnetic Spectrum” here (opens in new window).

Photoelectric effect | Electronic structure of atoms

This video uses wave-particle duality to explain the photoelectric effect. It also discusses the work function of a metal and how to calculate the velocity of a photoelectron.

You can view the transcript for “Photoelectric effect | Electronic structure of atoms | Chemistry | Khan Academy” here (opens in new window).