Standing Waves

Kieff, Ptj, Wikipedia, public domain

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

standingWavesYT.mov

Remember the old slinky song?

Standing Waves Interactive

1. Select PLAY   2. Select CLOSE MENU

 2. Reopen the menu 3. Use the slider to change the phase

This interactive graph was created by HS physics teacher and Ed Tech wizard, Dan Hosey

Parts of a Standing Wave

Standing Wave

[ HTML5 ]

St. Mary's Physics Online

WebMaya.mov

How many antinodes are in each picture?

(focus on the lower half of the guitar)

Physics of the Acoustic Guitar
Fletcher

2, 4, 10

Click on the frequencies above

| Flash |

 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

C. K. Eng

How many wavelengths?

Wikipedia, Houtlijm, public domain

| HTML5 |

| Flash |

 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

Identify the NODES and the ANTINODES

June 2016

[ AP Standing Waves Notes ]

Enrichment

Berkeley Univ.

Water Drop in Zero g

Standing Waves
HyperPhysics (offsite
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