1. A disturbance has a frequency of 200 Hz, what is its period?   Answer (30.0K)

2. A disturbance has a period of 0.0006 seconds, what is its frequency?   Answer (30.0K)

3. Calculate the velocity of a wave of frequency 80 Hz and wavelength 4.0 m.   Answer (44.0K)

4. Calculate the frequency of a wave of velocity 300 m/s and wavelength 0.5 m.   Answer (46.0K)

5. What is the velocity of a wave in a string of length 70 cm, mass 0.20 kg with a tension of 60 N?   Answer (59.0K)

6. Musical scales are defined with the note A having a frequency of 440 Hz. If the speed of sound in air is 340 m / s, what is the wavelength of the sound producing the note A?   Answer (44.0K)

7. A vibrating string that is fixed at both ends has a standing wave in it such that there is a node at the exact center. If the string is 1.5 m long, what is the wavelength of the standing wave?   Answer (31.0K)

8. The tension in a vibrating string is adjusted so that the string produces a standing wave of frequency 400 Hz. If the string is pressed at the midpoint so that it touches the wooden board across which it is stretched, but the tension is unchanged, what is the frequency of the new standing wave in the string?   Answer (39.0K)

9. For music for which the C above middle C has the note do of frequency of 528 Hz, what is the frequency of the note sol, which is a perfect fifth above do?   Answer (32.0K)

10. A violin that is not properly tuned produces a frequency of 447 Hz when the violinist tries to play the note A of frequency 440 Hz. How many beats per second are heard when a properly tuned piano simultaneously plays the note A?   Answer (30.0K)