These have wavelengths ranging from about 750 nanometers to 1 millimeter and frequencies ranging from 300 GHz to 400 THz. Infrared radiation is emitted by all objects and is used in heating, spectroscopy, and remote sensing.
These have wavelengths ranging from about 750 nanometers to 1 millimeter and frequencies ranging from 300 GHz to 400 THz. Infrared radiation is emitted by all objects and is used in heating, spectroscopy, and remote sensing.