+22 Frequency= 2*10^10 Hz
Find the wavelength of light it correlates to.
+37146 wavelength * frequency = speed of light
w * 2 x 1010 = 3 x 108
w = 1.5 * 10^-2 m
+37146 It is not visible light......it is up around radar range of wavelengths ...below infra red
