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Questions for Thought
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1

What is a wave?
2

Is it possible for a transverse wave to move through air? Explain.
3

A piano tuner hears three beats per second when a tuning fork and a note are sounded together and six beats per second after the string is tightened. What should the tuner do next, tighten or loosen the string? Explain.
4

Why do astronauts on the moon have to communicate by radio even when close to one another?
5

What is resonance?
6

Explain why sounds travel faster in warm air than in cool air.
7

Do all frequencies of sound travel with the same velocity? Explain your answer by using one or more equations.
8

What eventually happens to a sound wave traveling through the air?
9

What gives a musical note its characteristic quality?
10

Does a supersonic aircraft make a sonic boom only when it cracks the sound barrier? Explain.
11

What is an echo?
12

Why are fundamental frequencies and overtones also called resonant frequencies?





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