For a signal whose fundamental frequency is f, the second harmonic has a frequency 2 f, the third harmonic has a frequency of 3 f, and so on. Let w represent the wavelength of the signal or wave in a specified medium.
Rhodes is a name that came to England in the 11th century wave of migration that was set off by the Norman Conquest of 1066. The Rhodes family lived in Lincolnshire at Rhodes, from whence their name is derived. Anglo-Norman names are characterized by a multitude of spelling variations.
This unusual and interesting name is of early medieval English origin, and is an occupational surname for an ambassador or deputy. The derivation is from the Old French and Middle English word legat, from the Latin legatus, from legare, to appoint, ordain, from lex, legis, law, command.