kaniapam17 kaniapam17 14-06-2017 Physics contestada An EM wave has a speed of 3 x 10 ^ 8 m/s and a wavelength of 6 x 10 ^ -7 m. What is the frequency of the wave? 90 Hz 180 Hz 2 x 10 ^ -15 Hz 5 x 10 ^ 14 Hz