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