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New Arrival Vacuum Hood Suction Disc Bell In Vacuum Laboratory Jar Sound Physics For Sound Propagation Experiment And Low-pressure Plastic Cover Boiling Test Check It Out [dRlnoE0T]
$23.99
$76.99
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The max height: 270mmThe max diameter: 195mmMain material: glass and platicsNotice: you need a vacuum pump to do the experiment1. Sound propagation experiment The Bell on the bell with a bell above the sound of the bell, bells can still hear a clear
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New Arrival Vacuum Hood Suction Disc Bell In Vacuum Laboratory Jar Sound Physics For Sound Propagation Experiment And Low-pressure Plastic Cover Boiling Test Check It Out [dRlnoE0T]
- The max height: 270mm
- The max diameter: 195mm
- Main material: glass and platics
- Notice: you need a vacuum pump to do the experiment
-
1. Sound propagation experiment
The Bell on the bell with a bell above the sound of the bell, bells can still hear a clear electric bell, and then extract the air bell, electric bells will gradually weaken until the sound can not hear, close the exhaust valve , So that students observe, bell bell hammer is still kept ringing bell, but can not hear the sound.
2. Low-pressure boiling test
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