Elementary treatise on physics, experimental and applied : for the use of colleges and schools (1906)
Ganot, A. (Adolphe), 1804-1887, Atkinson, Edmund, 1831-1901, Reinold, A. W. (Arnold William), 1843-1921 · New York : Wood · leaf 573
But cosLAOcos LAO OAAL sin LANA. L ^ A^OA AL OLOL if A is sufficiently sin LANnear to O. Hence, \{p and/ are the respective distances of a point and its imagefrom the surface of water,/ =;//. Thus a stream or pond that appears tothe eye looking vertically down to be 3 feet deep is in reality 4 feet… … Fig- 518 nearer to the observer. Thus, when a stick is placed oblic|iiely and partlyimmersed in water, not only does the stick appear to be broken at thesurface, but the part immersed appears to be bent. An experimental illustration of the effect of refraction is the following : —A coin is placed…
Physics
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