intensity level
strength
intensity
radio energy
radiant energy
transmissivity
sound spectrum
acoustic spectrum
radiation
conductivity
conduction
solar energy
backscatter
spectroradiometry
photoconduction
photoconductivity
roentgen
detuning
R
bandstructure
space attenuation
coefficient of absorption
dose rate
nuclear spectrum
absorption coefficient
radiant flux
heat transfer
spectrum
absorptance
gamma ray
electromagnetic wave
radiative transfer
telephony
sound energy
radio-frequency
absorption
actinometry
radiocautery
radioelectric
flux
absorbance
optical density
transmission density
photographic density
bandshape
absorbed dose
Poynting's theorem
blue noise
flux unit
transplanckian