Bell Jar

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Objective is to understand how sound travels in different medium. A sound producing device is used that sends out a beep every second. Watch how sound waves travel in Air. When sound is sucked out of a bell jar containing the sound device, watch what happens to the volume of sound. Does sound propagate in vacuum ? Compare speed of Sound waves in air with that in water and in a solid steel rod.

Description

Objective is to understand how sound travels in different medium. A sound producing device is used that sends out a beep every second. Watch how sound waves travel in Air. When sound is sucked out of a bell jar containing the sound device, watch what happens to the volume of sound. Does sound propagate in vacuum ? Compare speed of Sound waves in air with that in water and in a solid steel rod.

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