Question

If a wave has a frequency of 5.5 x 10 to the 14th s -1, what is the wavelength in nm ? 1m = 10 to the 9 th nm

Answer 1

wavelength = speed / frequency = c / 5.5E14 = 3.0E8 / 5.5E14 meters

Answer 2

Now what

Answer 3

So convert 5.5E14 meters to nm. You know 1 m = 1E9 nm