Internal reflection on a watch glass surrounded by water: A simple experiment and a variation

When a watch is submerged in water, an observer might come to realize that the glass surface appears silver, like a mirror, due to internal reflection. However, it is not possible to clearly identify in which surface - internal or external - this reflection occurs. An experimental variation is propo...

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Bibliographic Details
Main Author: Jair Lúcio Prados Ribeiro
Format: Article
Language:Portuguese
Published: Sociedade Brasileira de Física
Series:Revista Brasileira de Ensino de Física
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-11172014000200018&lng=en&tlng=en