True / False questions:

1. A long spring can be used to demonstrate transverse or longitudinal waves.

2. Sound travels faster in aluminum than it does in air.

3. If the third harmonic is observed in a pipe, it can be concluded that the pipe is only open at one end.

4. When the intensity of a sound becomes 10,000 times as great, the corresponding increase in sound level is 4 dB.

5. If you set up the fifth harmonic on a string, there will be six nodes.

6. If you set up the fourth harmonic on a string, there will be five antinodes.

7. If a sound source is traveling toward you, the frequency you hear will be higher than the actual frequency being produced.

8. When tuning an instrument with a tuning fork, the more beats you hear, the closer it is to being in tune.

9. The speed of waves in a string depends upon the tension in the string.

10. The extent of diffraction depends upon the wavelength of the wave.