amplitude
band
color
curve
diagram
dispersion
education
educational
electromagnetic
eye
frequency
gamma
graph
illustration
infrared
interference
laboratory
light
microwave
newton
oscillation
oscilloscope
physics
plotting
radiation
radio
rainbow
range
ray
science
scientific
sensation
sine
sinus
spectra
spectrum
technological
technology
ultraviolet
vibration
visible
vision
wave
waveform
wavelength
x ray