Elementary treatise on physics experimental and applied for the use of colleges and schools (1890)
Ganot, A. (Adolphe), 1804-1887, Atkinson, E. (Edmund) · New York : W. Wood · leaf 636
each other.Suppose the reflected rays to fall on a screen SSj placed nearly at rightangles to their directions. Every point of the screen which receives lightfrom both pencils is illuminated by both rays, viz., one from F,, the other from F„ : thus thejjoint H is illuminatediDy two rays, as alsoare… … Fig 597. symmetrically in reference to one of them cc, which is more brilliant thanthe others, and which is called the central fringe. This is the fundamentalphenomenon of interference ; and that it results from \\\^ joint action of thetwo pencils is plain, for if the light which falls upon either…
Physics
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