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!

MIT Department of Physics Technical Services Group

MIT Department of Physics Technical Services Group

Category: Science | Updated 1 year ago

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


Viewed
3809 times

More from MIT Department of Physics Technical Services Group

Steel Ball Dropped in a Viscous Fluid

Steel Ball Dropped in a Viscous Fluid

Added almost 3 years ago | 00:02:03 | 10919 views

Pulling a Cloth From Under a Beaker

Pulling a Cloth From Under a Beaker

Added over 3 years ago | 00:00:50 | 15382 views

MIT Physics Demo -- Dipole Antenna

MIT Physics Demo -- Dipole Antenna

Added 6 years ago | 00:00:57 | 39112 views

Spray Paint Oscillator

Spray Paint Oscillator

Added almost 6 years ago | 00:00:51 | 26908 views

Fluorescent and Neon Tubes in an Electric Field

Fluorescent and Neon Tubes in an El...

Added over 4 years ago | 00:02:02 | 32922 views

Feather and Coin in a Vacuum

Feather and Coin in a Vacuum

Added over 3 years ago | 00:02:08 | 20319 views