A pipe with length $100\,\text{cm}$ is open at both ends. A loudspeaker placed at one end of the pipe can produce sound with a range of wavelengths. Which wavelength is able to form a stationary wave in the pipe?
- A$50\,\text{cm}$
- B$75\,\text{cm}$
- C$150\,\text{cm}$
- D$300\,\text{cm}$