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Standing Waves

Waves with their ends fixed in place are important to music and electronics.

Atoms Practice
Estimated8 minsto complete
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Practice Standing Waves
Practice
Progress
Estimated8 minsto complete
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Practice Now
BYOF (Bring your own flute)

Standing Wave Music

Credit: Horia Varlan
Source: http://flic.kr/p/7vEA1U
License: CC BY-NC 3.0

[Figure1]

Flutes are magical musical instruments.  All it takes it knowing how to blow into one correctly, and a nice sound will come it.  A different variety of music notes can be played simply by covering different holes on the flute.  It takes an investment getting to learn how to play the flute correctly, but did you know there's a fun, easy way of making a "flute?" Try and see if learning the flute is a worthwhile experience for you!

Creative Applications

  1. Why does the straw have to be cut at the top? (Hint:  It has to do with standing waves)
  2. What does cutting the straw each time do?
  3. In terms of sound waves and vibrations, what does cutting holes on the side do? (Hint: pitch)

Resources

http://www.fizzicseducation.com.au/experiments/Light%20and%20Sound/straw%20flute.html

http://www.markshep.com/flute/Acoustics.html

Image Attributions

  1. [1]^ Credit: Horia Varlan; Source: http://flic.kr/p/7vEA1U; License: CC BY-NC 3.0

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