Sound waves get reflected so that they superimpose each and resonance occur. Also sound waves are absorbed so that echo is not heard in crowded hall (although it is heard if hall is empty). And in open organ pipe resonance occur because it encounter with free air outside the tube and reflects back. My question is, if air can reflect the sound wave, how can we hear sound? And what are the conditions when sound waves get reflected or absorbed?
Numbers and figures are an essential part of our world, necessary for almost everything we do every day. As important…
APPROVED BY CLIENTS
"assignmentexpert.com" is professional group of people in Math subjects! They did assignments in very high level of mathematical modelling in the best quality. Thanks a lot
Comments
Leave a comment