What Materials Reflect Sound?

Answer

When a sound wave meets an obstacle, some sound is reflected back while some is absorbed. Materials that reflect sound best are rigid, smooth and non-porous. Materials that absorb most sound are soft and porous and they are used for sound proofing.
Q&A Related to "What Materials Reflect Sound?"
sponge and things like that.
http://wiki.answers.com/Q/What_is_a_material_stops...
Sounds are created by pressure waves moving through a medium. Typically this medium is the air, so in a perfect vacuum, there could be no sound. However, pressure waves moving through
http://www.ehow.com/info_8465676_reflective-sound-...
Waves are the solutions to (partial) differential equations, and they do not simply reflect or transmit, but do both at the same time. Even asking for when transmission is the dominant
http://www.quora.com/What-are-the-criteria-for-a-w...
Any material that is solid or liquid reflects sound. An interface between liquid and gas (like the surface of a pool of water) will reflect sound. How well things reflect sound is
http://answers.yahoo.com/question/index?qid=200903...
About -  Privacy -  Careers -  Ask Blog -  Mobile -  Help -  Feedback  -  Sitemap  © 2014 Ask.com