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