andrew1041 andrew1041 12-05-2022 Physics contestada Question 21 of 25 If an electromagnetic wave has a frequency of 8 x 1014 Hz, what is its wavelength? Use a = . The speed of light is 3 x 108 m/s. ? 3 x . V f O A. 2.7 x 10-6 m O B. 3.8 x 1021 m O C. 3.8 x 10-7m O D. 2.7 x 106 m SUBMIT