Experiment To Find Speed Of Sound Through Water
by Sheila Terry/science Photo Library
Title
Experiment To Find Speed Of Sound Through Water
Artist
Sheila Terry/science Photo Library
Medium
Photograph - Photograph
Description
Speed of sound experiment. Coloured historical artwork of an experiment to find out the speed of sound through water. The experiment, on Lake Geneva in Switzerland, involved two boats. Apparatus on the first boat (at left) enabled a bell to be rung underwater at the same time that a charge of gunpowder was ignited in the air above it. The time at which the bell was heard through the ear-trumpet attached to the second boat (at right) was noted. This was compared to the time at which the flash of gunpowder was recorded by a chronometer on this second boat. This gave a speed of about 1435 metres per second, or roughly four times the speed of sound through dry air.
Uploaded
October 4th, 2018
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