1. Define the wavelength of sound in terms of successive compressions of air. 2. Can sound travel through a vacuum? Why or why not? 3. Why does a struck tuning fork sound louder when its handle is...

1. Define the wavelength of sound in terms of successive compressions of air.

2. Can sound travel through a vacuum? Why or why not?

3. Why does a struck tuning fork sound louder when its handle is held against a table?

4. Distinguish between forced vibrations and resonance.