KnowraPhotochemical reactionLinked fromLinked fromThe 12 pages that link to Photochemical reaction, each with the reason it gives.All 12Broader topic 1Related 7Narrower topic 4Quantum yieldRelated: Product quantum yield counts reacted molecules per absorbed photon, not emitted photons.Electrocyclic reactionRelated: Excitation changes electrocyclic orbital occupancy and can reverse the thermal rotation mode.CycloadditionRelated: Light can change orbital-symmetry rules and permit cycloadditions forbidden thermally.Pericyclic reactionRelated: Photoexcitation changes orbital occupancy and can reverse the symmetry permissions found under heat.Elementary reactionRelated: Light absorption can initiate elementary molecular events that differ from thermal steps.Niels Ryberg FinsenRelated: Finsen proposed that short-wavelength light could produce effects in tissue through chemical action.Forbidden mechanismRelated: Light can change electronic-state occupancy and permit pathways forbidden thermally.