## Question 1

A string of length is clamped at each end and vibrates in a standing wave pattern. The wavelengths of the constituent traveling waves **cannot** be:

## Question 2

If the speed of sound is 340 m/s, the length of the shortest open-closed pipe that resonates at 218 Hz is:

- 23 cm
- 17 cm
- 39 cm
- 78 cm
- 1.6 cm

## Question 3

At , a pipe open at both ends resonates at a frequency of 440 Hz. At what frequency does the same pipe resonate on a particularly cold day when the speed of sound is 3 percent lower than …