Document Type

Article

Publication Date

12-1980

Disciplines

Physics | Science and Mathematics Education

Comments

Copyright 1980 American Association of Physics Teachers. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Association of Physics Teachers

The following article appeared in Physics Teacher 18(9): 672-673 and may be found at DOI: 10.1119/1.2340660

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