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
5216 times

More from MIT Department of Physics Technical Services Group

MIT Physics Demo -- Inductor Radio

MIT Physics Demo -- Inductor Radio

Added over 7 years ago | 00:01:01 | 32469 views

MIT Physics Demo -- Back "emf" in a Large Solenoid

MIT Physics Demo -- Back "emf" in a...

Added over 7 years ago | 00:00:23 | 65069 views

MIT Physics Demo -- Exploding Wire

MIT Physics Demo -- Exploding Wire

Added 7 years ago | 00:02:00 | 57821 views

Hinged Stick and a Falling Ball

Hinged Stick and a Falling Ball

Added almost 5 years ago | 00:01:23 | 20496 views

Surface Distribution of Charge

Surface Distribution of Charge

Added over 3 years ago | 00:01:36 | 5967 views

MIT Physics Demo -- Microwave Interference

MIT Physics Demo -- Microwave Inter...

Added 7 years ago | 00:02:11 | 28186 views