Refraction occurs at the point where light passes from one medium to another medium of a different density. Nonsense answer deleted.
http://wiki.answers.com/Q/WHERE_does_refraction_occur
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But bending of sound waves does occur and is an interesting phenomena in sound ... But refraction can add some additional sound, effectively amplifying the sound. Natural amplifiers can occur over cool lakes.
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hyperphysics.phy-astr.gsu.edu/hbase/Sound/refrac.html
hyperphysics.phy-astr.gsu.edu/hbase/Sound/refrac.html
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A) just below the speed of sound. ... 20) The explanation for refraction must involve a change in ... B) sound refraction.
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www.physics.sfasu.edu/friedfeld/Review1.htm
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At night, however, you can not only see the campers on the other side of the lake but you can also hear their conversations as they sit around their camp fire. This phenomena is due to the refraction of sound waves.
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www.kettering.edu/~drussell/Demos/refract/refract.html
www.kettering.edu/~drussell/Demos/refract/refract.html
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Refraction of sound waves by two layers of air at different temperatures as a result of the change of speed of the sound. ... (a) Ground Absorption: If sound is propagating over ground, ATTENUATION will occur due to acoustic energy losses on REFLECTION. These losses will depend on the surface.
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www.sfu.ca/sonic-studio/handbook/Sound_Propagation.html
www.sfu.ca/sonic-studio/handbook/Sound_Propagation.html
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In general, a downward refraction of sound energy will occur where sound velocity at a specific elevation is greater than that which occurs at the ground surface. Physically, the downward propagation of sound energy because of an existing velocity gradient is indicated by a positive [beta] value.
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www.entrepreneur.com/tradejournals/article/148756509_2....
www.entrepreneur.com/tradejournals/article/148756509_2.html
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The BOOM, which was developed by the U.S. Air Force Weapons Laboratory, is an empirical sound attenuation model that combines specific energetic materials data with weather information to estimate the peak sound level and over pressure that will occur at specified distances from the detonation site.
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www.entrepreneur.com/tradejournals/article/135568554_2....
www.entrepreneur.com/tradejournals/article/135568554_2.html
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Waves carry energy from one place to another Transverse and longitudinal waves, Seismic waves Problems involving wavelength, frequency and wave speed Sound waves in a medium Radio waves, light and X-rays, electrom.. ... refraction of sound waves ... total internal reflection can occur as light waves pass from...
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www.tutorvista.com/search/does-refraction-occur-for-bot...
www.tutorvista.com/search/does-refraction-occur-for-both-sound-waves-and-light-waves
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Like light, sound waves also obey the laws of reflection and refraction. For sound waves to reflect, we need extended surface or obstacle of large size. For example, the rolling of thunder is due to successive reflections ... refraction of sound can occur in ... does refraction occur for both sound waves and light waves...
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www.tutorvista.com/search/sound-refraction
www.tutorvista.com/search/sound-refraction
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