Assertion: action spectrum | /r/UsedFor | refer to quanta
Facets:
value: to spectral power
type: TRANSITIVE-OBJECT
value: at each wavelength
type: OTHER
Source sentences:
text: Action spectra are typically written as unit-less responses with peak response of one, and it is also important to distinguish if an action spectrum refers to quanta at each wavelength (mol or log-photons), or to spectral power (W).