8:13 AM Tue Feb 15 98% > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > 1.) A sound wave has a frequency of 281.6 Hz. What is the wavelength of this sound traveling in air at 343 m/s? 2.) What is the frequency of light whose wavelength is 3.5 X 10 6 m? > w 1 - 3.) The red light emitted by a He - Ne laser has a wavelength of 633 nm in air and travels at 3 X 10 8 m/s, find the frequency of this electromagnetic wave. V (+