The diagram illustrates a wave. Which row is correct?
- Aamplitude of the wave $= 1.0\,\text{cm}$, wavelength of the wave $= 4.0\,\text{cm}$
- Bamplitude of the wave $= 1.0\,\text{cm}$, wavelength of the wave $= 8.0\,\text{cm}$
- Camplitude of the wave $= 2.0\,\text{cm}$, wavelength of the wave $= 4.0\,\text{cm}$
- Damplitude of the wave $= 2.0\,\text{cm}$, wavelength of the wave $= 8.0\,\text{cm}$