Title:
A Set of Laboratory Experiments for the Proper Understanding of the Photoelectric Effect Within a Teaching/Learning Context [Descargar]Título:
Experimentos de Laboratorio para la correcta Comprensión del Efecto Fotoeléctrico en un Contexto de Enseñanza/Aprendizaje [Descargar]Autores/as:
López-Segovia, Alba and Rodríguez-Rodríguez, Ignacio and Rodríguez, José-Víctor and Pardo-Quiles, Domingo and Campo-Valera, María
Términos Índice:
Engineering;photoelectric effect;quantum physics;teaching of science
Resumen:
It is established that physics and engineering students struggle to effectively learn the physical foundations underpinning the photoelectric effect when taught solely via a theoretical approach. In response to this, and contrary to the approaches based on computer tutorials, this paper introduces a set of laboratory experiments that analyze the above phenomenon from a practical perspective. The aim hereby is to visually demonstrate and clarify the main concepts of the photoelectric effect using real equipment. Specifically, the relationship between incident lighting (across different wavelengths and intensities) and the generated photocurrent is studied using a specially designed simple device. The experiments furthermore calculate the Planck constant, elucidate the linear relationship between photon energy and frequency, and prove that the stopping voltage is independent of the incident light intensity. Hence, the proposed experiments may foster a deeper understanding of the corpuscular nature of light among students.
DOI:
Cómo citar:
López-Segovia, Alba and Rodríguez-Rodríguez, Ignacio and Rodríguez, José-Víctor and Pardo-Quiles, Domingo and Campo-Valera, María, "A Set of Laboratory Experiments for the Proper Understanding of the Photoelectric Effect Within a Teaching/Learning Context," inIEEE Revista Iberoamericana de Tecnologias del Aprendizaje, vol. 18, no. 3, pp. 226-232, Aug. 2023. doi: 10.1109/RITA.2023.3301410