Chapter 11
Electromagnetic Radiation
* Examples of usage of the waves
* Radio waves- communication
* Infrared- "heat waves"
* Ultraviolet- causes sunburn
* Microwaves- used to cook'
* Speed of light 2.99*10^8
* Wave length of sun 400nm-700nm
What is a Wave?
* A wave is characterized by a wavelength, frequency, and speed
* wavelength- length between two crest
* frequency- how many times a wave shows up
* speed- how fast something is moving
Videos