Physics 410. Light and Color Chapter 14. Doppler Effect. the change in wavelength due to motion of the source or observer "Wheeeeeeeeeeee…….Oooooooooooooo” Examples: Water, Sound, and Light. Wavelength. Source at Rest. What happens when the source in in motion?. Movie #1. Java.
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Source at Rest
As a team, describe what happens to the wavelength, frequency, and pitch both in front of and behind a moving sound source.
Source in Motion
VThe Electromagnetic Spectrum
Radio Waves - communication
Microwaves - used to cook
Infrared - felt as warmth
Visible Light - detected by your eyes
Ultraviolet - causes sunburns
X-rays - penetrates tissue
Gamma Rays - most energetic
Raging Martians Invade Roy G. Biv
Using X-rays and Gamma Rays
Which form of light has the …longest wavelength?
…highest frequency? …highest energy?
Every element can be “fingerprinted” by it spectra.
Surface of water?
we have lingering, elliptical sunsets.