Wright, Mark R., 1854- · London : Longmans · leaf 121
Fig. 92. … Fig. 93. from A (fig. 93) is refracted ^i?^ the normal; the refraction isrepeated at each layer until at o the critical angle is reached, Refraction of Light—Lenses 3 and the ray becomes reflected; it is then refracted upwardstowards the normal. The traveller sees a in the direction theray reaches…
Physics
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