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 almost 2 years ago

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


Viewed
4733 times

More from MIT Department of Physics Technical Services Group

Plate Sliding Under a Soda Can

Plate Sliding Under a Soda Can

Added 4 years ago | 00:00:50 | 16534 views

Temperature Effect on Resistance

Temperature Effect on Resistance

Added 6 years ago | 00:01:10 | 43475 views

Physics Demo -- Lenz's Law

Physics Demo -- Lenz's Law

Added almost 7 years ago | 00:00:29 | 48758 views

Relative Motion Gun

Relative Motion Gun

Added almost 6 years ago | 00:01:07 | 52217 views

Sound Wave Interference

Sound Wave Interference

Added over 3 years ago | 00:02:14 | 10324 views

Ring Falling in a Magnetic Field

Ring Falling in a Magnetic Field

Added over 3 years ago | 00:03:27 | 10905 views