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ERIC Number: EJ538250
Record Type: CIJE
Publication Date: 1994
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: ISSN-0002-9505
Measuring the Diameter of a Hair with a Steel Rule.
Macdonald, John; O'Leary, Sean V.
American Journal of Physics, v62 n8 p763-64 Aug 1994
Describes a technique that uses a helium neon laser, a steel rule, a wooden rule, and a piece of paper to measure the diameter of a hair using the diffraction of light. Details on technique, mathematics, and sources of error are provided. (DDR)
Publication Type: Guides - Classroom - Teacher; Journal Articles
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A