Massachusetts Institute of Technology
Sign in Create Account

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.

Comments (0)

It looks like no one has posted a comment yet. You can be the first!

You need to log in, in order to post comments. If you don’t have an account yet, sign up now!

Created
July 26, 2012 12:00
Category
Tags
License
Creative Commons Attribution-NonCommercial (What is this?)
Additional Files


Viewed
5068 times

More from MIT Department of Physics Technical Services Group

MIT Physics Demo -- No-Win Tug of War

MIT Physics Demo -- No-Win Tug of War

Added almost 7 years ago | 00:00:34 | 38212 views

MIT Physics Demo -- Telegraph Transmitter

MIT Physics Demo -- Telegraph Trans...

Added 7 years ago | 00:00:36 | 50887 views

MIT Physics Demo -- Jumping Wire

MIT Physics Demo -- Jumping Wire

Added 7 years ago | 00:00:37 | 36263 views

Strobe of a Falling Ball

Strobe of a Falling Ball

Added almost 7 years ago | 00:00:41 | 40960 views

A Heat Gun

A Heat Gun

Added 2 years ago | 00:01:17 | 3615 views

MIT Physics Demo -- Levitating Magnet

MIT Physics Demo -- Levitating Magnet

Added 7 years ago | 00:00:47 | 41844 views