Text-book of general physics, for the use of colleges and scientific schools (1899)
Hastings, Charles Sheldon · Boston: Ginn & company · leaf 705
n which case they wouldmove on without change until they became concave by an-other reflection, with a center at c0: thence they would moveas convex waves to b, where they would be again refractedinto plane waves. Proceeding in a similar manner, it may be shown that thereis an indefinite number of… … BAIXBOW. 695 wave surface is infinite, while, if the number of reflectionsis even, the middle chord, which marks the path of thewaves, corresponds to a region where the curvature is zero. The analytical conditions may be found as follows: Letthe angle of incidence at a be called I and the angle…
Physics
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