Abstract
IN continuation of the experiments of Mr. W. L. Bragg (NATURE, December 12, 1912, p. 410), I have investigated the reflection of X-rays by mica. Mr. Bragg finds one reflected beam, while Messrs. Hupka and Steinhaus (NATURE, March 6, 1913, p. 10) find two beams. Using a parallel pencil and an angle of incidence of 70°, I find no difficulty in photographing five beams emerging from the “incident” side of the mica, of which that obeying the ordinary laws of reflection is the most obvious.
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KEENE, H. The Reflection of X-Rays. Nature 91, 111 (1913). https://doi.org/10.1038/091111a0
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DOI: https://doi.org/10.1038/091111a0
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