Gilbert light experiments for boys . GILBERT LIGHT EXPERIMENTS 75 surface bent down, as shown in ^ Smooth Fig. 115? yS\S/\bGrowi&Explanation of Refraction. A beam of sunlight is bent or re-fracted when it passes from air towater because light travels moreslowly in water than it does in air. ^LondIts velocity in water is only three-fourths of its velocity in air. Fig 11G The^hyv of refracti0n Mrkw +r* cpp +hp> rnnnprtinn hp- From the Ontario High SchoolJNOW tO See tne Connection De- PhysicSj by permission of the tween change in direction and change publishersin velocity,let us consider what
Gilbert light experiments for boys . GILBERT LIGHT EXPERIMENTS 75 surface bent down, as shown in ^ Smooth Fig. 115? yS\S/\bGrowi&Explanation of Refraction. A beam of sunlight is bent or re-fracted when it passes from air towater because light travels moreslowly in water than it does in air. ^LondIts velocity in water is only three-fourths of its velocity in air. Fig 11G The^hyv of refracti0n Mrkw +r* cpp +hp> rnnnprtinn hp- From the Ontario High SchoolJNOW tO See tne Connection De- PhysicSj by permission of the tween change in direction and change publishersin velocity,let us consider what would happen if a regiment of soldiersmarched in a slanting direction BD from smooth ground to roughground, as shown in Fig. 116. The men would march less rapidly onthe rough ground and the direction of the marching lines would bechanged. The line AB is still on smooth ground and is straight. Partof the line ab is on rough ground and this part is somewhat line cd has a larger part on rough ground and this part is b
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectscientificrecreation
