An electromagnetic wave has a period of $1.0\,\text{ns}$. What are its frequency and wavelength?
- Afrequency $= 1.0\,\text{Hz}$, wavelength $= 3.0 \times 10^8\,\text{m}$
- Bfrequency $= 1.0 \times 10^6\,\text{Hz}$, wavelength $= 300\,\text{m}$
- Cfrequency $= 1.0 \times 10^9\,\text{Hz}$, wavelength $= 0.30\,\text{m}$
- Dfrequency $= 1.0 \times 10^{12}\,\text{Hz}$, wavelength $= 3.0 \times 10^{-4}\,\text{m}$