A nanometre is a metric unit of measurement, which is equal to one billionth of a meter (1 nm = 10^-9 m).
- A nanometre (nm) is a unit of length used to express the size of objects on a nanoscale, including the wavelength of electromagnetic radiation.
- Nanometres are particularly useful when specifying the wavelength of electromagnetic waves in the visible region of the electromagnetic spectrum.
- The visible spectrum ranges from around 380 to 750 nm.
References
A nanometre is a unit of measurement of the wavelength of electromagnetic radiation.