Assertion: wave's amount | /r/RelatedTo | the frequency
Facets:
value: of the light
type: OTHER
Source sentences:
text: Einstein explained this enigma by postulating that the electrons can receive energy from electromagnetic field only in discrete units (quanta or photons): an amount of energy E that was related to the frequency f of the light by
text: In 1900 Max Planck, attempting to explain black-body radiation suggested that although light was a wave, these waves could gain or lose energy only in finite amounts related to their frequency.