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Wavelike properties refer to the behavior of a phenomenon or particle resembling waves, showing characteristics like interference and diffraction. Particulate properties, on the other hand, pertain to the behavior of a phenomenon as individual particles with definite positions and momenta.
Electromagnetic radiation exhibits both wavelike and particulate properties. The wave nature of electromagnetic radiation is experimentally verified through phenomena like interference and diffraction, which show patterns of constructive and destructive interference when waves interact. Additionally, electromagnetic waves display features like refraction and polarization, typical of wave behavior.
The particle nature of electromagnetic radiation is supported by the photoelectric effect. When light of sufficient energy (frequency) strikes a metal surface, it emits electrons from the metal. This phenomenon can only be explained by considering light as discrete packets of energy, or photons. The energy of a photon is proportional to its frequency, accounting for the observations in the photoelectric effect.
