What are the wavelength and frequency of the wave on the wire?
Wavelength / m: 1.2, Frequency / kHz: 0.20
Wavelength / m: 1.2, Frequency / kHz: 0.40
Wavelength / m: 1.5, Frequency / kHz: 0.20
Wavelength / m: 1.5, Frequency / kHz: 0.40