Chapter 11 Lecture Notes

Monday, April 10, 2000

Part I: Review of the four properties which we use to describe light: wavelength, freqency, amplitude and velocity.

Part II: Introduction to the electromagnetic spectrum: Radio waves and microwaves.

Part III: Introduction to the electromagnetic spectrum: infrared waves and visible.

Part IV: Introduction to the electromagnetic spectrum: ultraviolet waves, X-rays and cosmic waves.

Part V: Review of the mathematical relationship between wavelength, frequency and the speed of light.

Part VI: Sample calculation: Calculate the frequency of a sample of infrared radiation with a wavelength of 2500 nm.

Part VIa: Further discussion on the sample calculation and what the answer means.

Part VII: Introduction to the continuous spectrum of visible light and the range of wavelength and frequency in thevisible region.

Part VIII: Introduction to the mathematical relationship between frequency and energy of light.

Part IX: Sample calculation: Calculate the energy of electromagnetic radiation with a wavelength of 2500 nm?

Part X: Introduction to the quantum of light, the photon.

Part XI: Photons, ozone molecules and breaking chemical bonds: what is happening in the upper atmosphere?