Question

multiple choice question
wavelengths are measured in ______ and denoted by the greek letter λ.
o meters per second
o watts per meter squared
o meters
o hertz

Explanation:

Wavelength is a measure of distance. Meters per second is a unit of speed. Watts per meter squared is a unit of power per area. Hertz is a unit of frequency. Meters is a unit of length, which is appropriate for wavelength.

Answer:

meters