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 interesting surname is of early medieval English origin, and is a locational name from Burnhouse in Scotland. The placename derives from the Middle English burn, stream, and house, house.he first recorded spelling of the family name is shown to be that of Robert Brenhus, which was dated 1208, in the Pipe Rolls of Yorkshire, during the reign of King John, known as Lackland, 1199 - 1216.