A.
Waves and Energy |
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1. Waves transfer ENERGY from one place to
another with no transfer of mass
2. Waves can be produced in two ways:
a. Vibration of particles
(requires a medium for transfer)
(mechanical wave)
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SoundF_WL_Amp.mp4
Sound Waves
And Their Sources
This movie is part of the collection: Prelinger Archives
Production Company: ERPI Classroom Films, Inc. Distributed by Encyclopedia
Britannica
Audio/Visual: sound, B&W
Creative Commons license: Public Domain
ex) sound, water wave, spring wave
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Splash of
a Water Drop
N. Carolina School of Science and Mathematics
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b. Small changes in
the strength of an electromagnetic field
(requires no medium for transfer)
ex) light, microwaves, x-rays
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3d
Electromagnetic Wave
# 1
David M. Harrison
3d
Electromagnetic Wave
# 2
David M. Harrison
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![](RadiologyCentennialXRAYHand_small.jpg)
Radiology Centennial, Inc
copyrighted in 1993
![](Phonons.gif) ![](Phonons.gif) ![](Phonons.gif)
How the human ear
works - Biswajeet - India
Onsite
Version
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