Standing Waves

St. Mary's University Physics

ChladniPlate.mov

 

 

 


Kieff, Ptj, Wikipedia, public domain

 


Standing Wave

St. Mary's Physics Online

 

 

 

B) Standing Wave – waves produced when two waves of the same frequency and amplitude travel in opposite directions in the same medium (Musical instruments)

 

 

 

Standing Wave
David M. Harrison

 

 

Ruben's Flame Tube
(off site version)

Mythbusters

 

 

 

 

Standing Waves
HyperPhysics (offsite)

 

 

 

 

 

Standing Waves - Chladni Plates

 

Onsite

 

 

Physics of the Acoustic Guitar
Fletcher

 

 


Click on the frequencies above

| Larger |

 

 

 

 

 

 


Maximum Destructive Interference Occurs
at the Nodes

 

 

 

Standing waves can also be produced by reflection

 


How many nodes?

 

 

 

 

5

 

 

 

How many antinodes?

 

 

 

4

 

 

 

How many waves?

 

 

 

 

 

 

2

 

 

 

 

Standing Wave and Frequency

C. K. Eng

 

 

How many wavelengths?

 

Wikipedia, Houtlijm, public domain

 

 

1/2, 1, 1 1/2, 2, 2 1/2 .... etc

 

 

 

| Larger |

 

 

 

 






 

One Antinode

 

 










Four Antinodes

Illustration of vibrations of a drum - Oleg Alexandrov
Public Domain Image

 

 

 

 

 

 

How many antinodes?

How many

wavelengths? 

 

 

 

 

 

2 antinodes, wavelength = 3.0 m 

 

 

When a single guitar string is plucked, standing waves of varying frequencies are created.

University of Salford Acoustics

 

 

Enrichment

 

 

 

 

Enrichment

 

 

 

Standing Waves/Sound/Chladni
Berkeley Univ.

 

 

Standing Waves - Wake Forest .U.

(Chladni Disk)

 

 

Water Drop in Zero g

Waves_in_a_Large_Free_Sphere_of_Water.mov

 

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