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
- 4820 times
Added over 4 years ago | 00:02:29 | 28855 views
Added over 2 years ago | 00:01:53 | 5480 views
Added 6 years ago | 00:01:18 | 46061 views
Added 7 years ago | 00:01:11 | 41491 views
Added almost 3 years ago | 00:01:54 | 4868 views
Added 3 years ago | 00:01:38 | 7452 views