PROCEDURE
An electric bell is enclosed in a bell jar, and observations are made on the intensity of sound as air is pumped out of the jar using a vacuum pump.
SOUND
Activity 1
Licensed under the Creative Commons Attribution Share Alike License 4.0
PROCEDURE
An electric bell is enclosed in a bell jar, and observations are made on the intensity of sound as air is pumped out of the jar using a vacuum pump.
Licensed under the Creative Commons Attribution Share Alike License 4.0