Change in Frequency of Voice with Helium
Helium introduced into a resonant cavity, including the lungs of the demonstrator, will increase the frequency of all pitches originating in the cavity. This is because the speed of sound in helium is greater than the speed of sound in air.
It looks like no one has posted a comment yet. You can be the first!
- July 26, 2012 12:00
- Creative Commons Attribution-NonCommercial (What is this?)
- Additional Files
- 5216 times
Added over 7 years ago | 00:01:01 | 32469 views
Added over 7 years ago | 00:00:23 | 65069 views
Added 7 years ago | 00:02:00 | 57821 views
Added almost 5 years ago | 00:01:23 | 20496 views
Added over 3 years ago | 00:01:36 | 5967 views
Added 7 years ago | 00:02:11 | 28186 views