How to build a low cost spectrometer with Tracker for teaching light spectra

• Tipo: Artigo em Revista Científica Internacional
• Data: 2016

Autores

Rodrigues, M (Autor) Outra; marques, mb (Autor) FCUP; Carvalho, PS (Autor) FCUP

Revista

Título: Physics Education

Vol. 51

Página Final: 014002

ISSN: 0031-9120

Editora: Institute of Physics Publishing

Indexação

Scopus - 21 Citações

Classificação Científica

CORDIS: Ciências Físicas > Física > Mecânica clássica

FOS: Ciências sociais > Ciências da educação

Outras Informações

ID Authenticus: P-00K-3SZ

DOI: 10.1088/0031-9120/51/1/014002

Abstract (EN): Optics is probably one on the most exciting topics in physics. However, it also contains some of the less understood phenomena by students - the light spectra obtained from the diffraction of light. The experimental study of light spectra for studying radiating bodies, usually requests sophisticated and expensive equipment that is not normaly affordable for schools, and only a few teachers know how to measure the wavelength of light in a spectrum. In this work we present a simple and inexpensive setup, with enough accuracy for measuring light spectra to be used both in physics and chemistry classes. We show how freeware software Tracker, commonly used for teaching mechanics, can serve to measure wavelengths with about 2 nm of resolution. Several approaches to the calibration of different setups are also provided, depending on the degree of accuracy demanded. © 2016 IOP Publishing Ltd.

Idioma: Inglês

Tipo (Avaliação Docente): Científica