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Published on 21 Jun 2012 | over 5 years ago

This Eureka.in Physics video shows how sound travels through the various states of matter, significance of Vibrations in the traveling of sound energy and the various type of sound waves. It also discusses about the measurement of sound and the concept of echo.

You can also download our free app that covers all this and a glossary of key terms, and a quiz to test your knowledge on this topic here: bit.ly/14ttWKA

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