Respuesta :

Nobody knows this answer I checked a bunch of websites and they all don't know the answer.

Answer:

c = f * wavelength.

c = 3 * 10^8 m/s

f = ??

lambda (wavelength) = 670 * 10 ^-9

3*10^8 = f * 670 *10^-9

3 * 10^8/670* 10^-9 =4.48 * 10 ^14 /s

Explanation: