What do all waves have in common?


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MIT website



Unit IV - Wave Phenomena


I. Introduction to Waves



V= fl

Wave Speed Rope

 v = (F/µ)1/2

µ = mass/Length

FT - Tension

Speed depends on medium

Sound travels faster in solids, wavelength changes f doesn't

v = 340 m/s (Sound)


p. 302)  1,2



Ex) sound, water waves, light, microwaves, heat rays

A. Waves and Energy

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)



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



Splash of a Water Drop
N. Carolina School of Science and Mathematics





b. Small changes in the strength of an electromagnetic field

(requires no medium for transfer)


ex) light, microwaves, x-rays




3d  Electromagnetic Wave # 1
David M. Harrison

3d  Electromagnetic Wave # 2
David M. Harrison



Radiology Centennial, Inc
copyrighted in 1993


How the human ear works - Biswajeet - India

Onsite  Version




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