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Optical determination of velocity of sound in liquids
Principle: A stationary ultrasonic wave in a glass cell full of liquid is traversed by a divergent beam of light. The sound wavelength can be determined from the central projection of the sound field on the basis of the refractive index which canges with the sound pressure.
Tasks: To determine the wavelength of sound in liquids, and from this calucate the sound velocity, from the structure of the centrally projected image.
| Artikel-Nr. | Artikelbezeichnung |
|---|---|
| P2151000 | Optical determination of velocity of sound in liquids |
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