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
- 5347 times
Added over 3 years ago | 00:00:54 | 5404 views
Added over 7 years ago | 00:01:40 | 49805 views
Added over 3 years ago | 00:29:09 | 6655 views
Added almost 5 years ago | 00:01:54 | 16733 views
Added almost 5 years ago | 00:01:01 | 18622 views
Added 7 years ago | 00:00:57 | 41528 views