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 over 1 year ago

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


Viewed
4350 times

More from MIT Department of Physics Technical Services Group

Curie Point of Iron

Curie Point of Iron

Added over 2 years ago | 00:01:23 | 4394 views

MIT Physics Demo -- Bicycle Wheel Gyroscope

MIT Physics Demo -- Bicycle Wheel G...

Added over 6 years ago | 00:01:28 | 166724 views

Loop the Loop

Loop the Loop

Added almost 4 years ago | 00:03:18 | 17749 views

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

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

Added over 6 years ago | 00:00:23 | 63476 views

DC Motor

DC Motor

Added over 1 year ago | 00:01:17 | 2899 views

Faraday's Cage

Faraday's Cage

Added almost 6 years ago | 00:01:23 | 61180 views