Brechner, Claude H., 1887- [from old catalog] · Boston, New York [etc.] Allyn and Bacon · leaf 118
Figure 84.—Refraction of Lightabove a Hot Stove. CRITICAL ANGLE 107 Our atmosphere acts as a refracting substance to thesuns rays. For this reason we can actually see the sun ( Sun jEvening … Morning Figure 85. — Refraction of Light by the Earths Atmosphere. before it is above the horizon in the morning, and also afterit has gone below the horizon in the evening. (Figure 85.) 129. Critical Angle.—Figure 86 shows whattakes place when a rayof light passes from adense medium, such aswater,…
Physics
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