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REFLECTION OF SOUND

After reading this section you will be able to do the following:

  • Observe the experiment below and explain why the wave reacts differently depending on what surface it hits.
  • Discuss how echoes are made.

The Multi-Material Room

Questions

  1. What happens when a sound wave hits a concave shaped surface?
  2. Is the sound reflected back to the source from a concave shaped surface more or less than that reflected from a flat surface?
  3. What happens when a sound wave hits the porous surface?
  4. What happens when a sound wave hits an irregular surface?