their wavelenghts are different
spectroscope
dylan dumont
If you closely notice you will observe that their products are always equal to the wave speed.
It isn't clear what type of wave you are talking about. If you mean electromagnetic waves, the answer is "radio waves".
their wavelenghts are different
No, because of the wavelenghts. Those do not correspond to being on the Moon. Except: if you can make special FM wavelenghts.
buba
Lemons Are Yellow Because Their Skins Absorb All Wavelenghts Of Visible Light Except For The Wavelenghts Corresponding To The Colour we Know As Yellow.
Radio waves
spectroscope
speed= frqquency*wavelength
very roughly 350 to 750 nanometers
black
jg
Visible light.
Gamma and Cosmic Rays