radio energy
strength
intensity level
intensity
gamma ray
electromagnetic wave
emission spectrum
absorption spectrum
backscatter
radio-frequency
radiation
radiocautery
radiant energy
solar energy
actinometry
gamma radiation
opacity
light unit
spectroradiometry
photo-
extinction
blackbody radiation
black-body radiation
transmissivity
bandshape
infrared light
infrared emission
infrared radiation
infrared
monoenergetic
nuclear spectrum
heat transfer
fluorescence
transparency
upscattering
transparence
photoelectroactivity
photoconduction
photoconductivity
ultraviolet spectrum
ESR
electron spin resonance
photovoltaic effect
electronic smog
fluoresce
radiance
glow
radioactivity
glowing
electron paramagnetic resonance