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Demonstrations · Pressure and Gas Laws
Bell in Vacuum, DC, Glass
A bell-in-vacuum demonstration with a 4–6 V electric bell suspended by rubber cord within a 22 x 15 cm glass chamber. As air is removed the sound fades, showing that sound cannot travel without air.
- Material
- Glass
- Pack
- Single (1 EA)
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A bell-in-vacuum demonstration with a 4–6 V electric bell suspended by rubber cord within a 22 x 15 cm glass chamber. As air is removed the sound fades, showing that sound cannot travel without air.
| Cat. No. | PHD-12-G18-9000-002 |
|---|---|
| Category | Demonstrations / Pressure and Gas Laws / Vacuum Pumps, Plates and Bell Jars |
| Subject | Physics |
| Material | Glass |
| Pack size | Single (1 EA) |
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