His real first name is James and his last name is Mcguiness :) And if you search The Wanted on google and click on the first link theres more info about them and him on there :) Hope this was useful...
You would have to know the medium and the type of wave. For example a sound wave with a period of 10 seconds would be well down in the infrasonic. In sound, a 1kHz wave has a wavelength of ~1 ft. A 1...