An EM wave has a wavelength of 620 nm.
What is its frequency?
How would we classify it?
Visual light - red.
λ = c/f,
f = c/ λ = 3•10^8/680•10^-9 =
= 4.41•10^14 Hz
What is its frequency?
How would we classify it?
λ = c/f,
f = c/ λ = 3•10^8/680•10^-9 =
= 4.41•10^14 Hz