But the frequency of the light we see is so high, it waves up and down about 400 million million times a second, that we can't possibly see it as a wave. But we can tell, by looking at its color, what its frequency is.
Men lysets frekvens er så højt, det bølger op og ned omkring 400 millioner millioner gange i sekundet, at vi umuligt kan se det som en bølge. Men vi kan se, ved at se på dets farve, hvad dets frekvens er.