Johnson's natural philosophy and key to philosophical charts : illustrated with 500 cuts; being reduced photographic copies of all the diagrams contained in the author's philosophical series of indestructible school charts ; for the use of schools and families (1878)
een bright rings, separated by dark spaces—thebreadth of the rings varying with the color of light. When whitelight is used, these different sets of colored rings blend, producing thefringes. Polarization of Light. 512. Poles in physics.—The name^jo/es is given, in physics, ingeneral, to the sides… … of optics. The scope of this compendium, however, will admit of onlya brief explanation of a few of its leading phenomena. In connection with Fig. 33 (500), it was shown that vibrationstake place in every possible direction transverse to the ray; but forconvenience of explanation, we will suppose…
Physics · Astronomy
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