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

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

Authors :
Prados Ribeirom, Jair Lúcio
Source :
Caderno Brasileiro de Ensino de Física. 2014, Vol. 36 Issue 2, p2501-1-2501-3. 3p.
Publication Year :
2014

Abstract

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 proposed, using a thicker glass, allowing better identification of the inner surface as the reflector, along with hints for qualitative and quantitative discussions. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
16772334
Volume :
36
Issue :
2
Database :
Academic Search Index
Journal :
Caderno Brasileiro de Ensino de Física
Publication Type :
Academic Journal
Accession number :
97395848