What are the wavelength and frequency of the wave on the string?
Wavelength: 0.90 m, Frequency: 0.125 kHz
Wavelength: 0.90 m, Frequency: 0.250 kHz
Wavelength: 1.80 m, Frequency: 0.125 kHz
Wavelength: 1.80 m, Frequency: 0.250 kHz