Căutare
Descoperă oameni noi, creează noi conexiuni și faceti-va noi prieteni
the efficiency with which electromagnetic radiation produces a photochemical reaction plotted as a function of the wavelength of the radiation
the distribution of energy as a function of frequency for a particular sound source
the spectrum of electromagnetic radiation that has passed through a medium that absorbed radiation of certain wavelengths
the spectrum of electromagnetic radiation that has passed through a medium that absorbed radiation of certain wavelengths
a dark band in the spectrum of white light that has been transmitted through a substance that exhibits absorption at selective wavelengths