Sound velocity (m/sec) High 1,000 Sound bends 500 down -2,000 Path of waves 3,000 Min. Low 1,000 sound velocity SOFAR layer 4,000 1,500 - 5,000 Sound bends up High *= Sound source Increase This part of the waves moves more slowly... So the path of waves curves and the waves are refracted ... and this part moves faster. toward the lower velocity. The depth of minimum sound velocity (see again Figure 6.25). b The SOFAR layer, in which sound waves travel at minimum speed. Sound transmission is particularly efficient-that is, sounds can be heard for great distances-because refraction tends to keep sound waves within the layer. Depth (m) (4) yndea Increase 4 Increase → Relative velocity of sound GujuJee abebuago
Sound velocity (m/sec) High 1,000 Sound bends 500 down -2,000 Path of waves 3,000 Min. Low 1,000 sound velocity SOFAR layer 4,000 1,500 - 5,000 Sound bends up High *= Sound source Increase This part of the waves moves more slowly... So the path of waves curves and the waves are refracted ... and this part moves faster. toward the lower velocity. The depth of minimum sound velocity (see again Figure 6.25). b The SOFAR layer, in which sound waves travel at minimum speed. Sound transmission is particularly efficient-that is, sounds can be heard for great distances-because refraction tends to keep sound waves within the layer. Depth (m) (4) yndea Increase 4 Increase → Relative velocity of sound GujuJee abebuago
University Physics Volume 3
17th Edition
ISBN:9781938168185
Author:William Moebs, Jeff Sanny
Publisher:William Moebs, Jeff Sanny
Chapter4: Diffraction
Section: Chapter Questions
Problem 29P: An aircraft maintenance technician walks past a tall hangar door that acts like a single slit for...
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Would the SOFAR principle operate if the speed of sound within the layer were higher than in the surrounding water?
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