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Propagation Of Sound In Water.
Principle
The
aim of this experiment is to enable the students to find out that sound
can also propagate in other media, e.g. liquids. For this purpose, they
study the propagation of the sound of a tuning fork in a tube that can
be filled with air or water. For comparison, the sound propagation via
the tube itself (solid body) is also observed. The students learn that
the quality of the sound propagation depends on the density of the
transferring medium.
Tasks
Normally,
we hear sound that is emitted by a source when it reaches our ear
through the air. Examine in this experiment whether sound can also
propagate in water. To do so, try to hear the sound of a tuning fork
through the air as well as through water. Does the tuning fork sound
different?
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