A beam of orange light in a vacuum has wavelength $600\,\text{nm}$. What frequency does this light have?
- A$180\,\text{Hz}$
- B$5.0 \times 10^{5}\,\text{Hz}$
- C$1.8 \times 10^{11}\,\text{Hz}$
- D$5.0 \times 10^{14}\,\text{Hz}$
Physics 9702 · AS & A Level · Electromagnetic spectrum