Chapter 25. Speed of light in a vacuum (22-11)

Question

Ym/ZKyvzO/S23I/DMSC6Z+e5a9AQ0xJkDhoEnyIYNNI=
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Question

nJj99+uu1IbMYJpU1xalll6VKmIMt0N2AzN1chuGU70=
{"title":"Speed of light in a vacuum","description":"Wrong","type":"incorrect","color":"#99CCFF","code":"[{\"shape\":\"poly\",\"coords\":\"82,133\"},{\"shape\":\"rect\",\"coords\":\"10,16,12,16\"},{\"shape\":\"poly\",\"coords\":\"144,22\"},{\"shape\":\"rect\",\"coords\":\"1,21,15,41\"},{\"shape\":\"rect\",\"coords\":\"139,10,299,44\"}]"} {"title":"Permittivity of free space","description":"Correct!","type":"correct","color":"#ffff00","code":"[{\"shape\":\"rect\",\"coords\":\"84,40,102,56\"}]"} {"title":"Permeability of free space","description":"Incorrect","type":"incorrect","color":"#00ff00","code":"[{\"shape\":\"rect\",\"coords\":\"59,39,79,62\"}]"}

Question

o0vUgplvuKeoxdMa0Flg83dbvfBb+yGlj8EjtJQs+SY=
{"title":"Speed of light in a vacuum","description":"Wrong","type":"incorrect","color":"#99CCFF","code":"[{\"shape\":\"poly\",\"coords\":\"82,133\"},{\"shape\":\"rect\",\"coords\":\"10,16,12,16\"},{\"shape\":\"poly\",\"coords\":\"144,22\"},{\"shape\":\"rect\",\"coords\":\"1,21,15,41\"},{\"shape\":\"rect\",\"coords\":\"139,10,299,44\"}]"} {"title":"Permittivity of free space","description":"Incorrect","type":"incorrect","color":"#ffff00","code":"[{\"shape\":\"rect\",\"coords\":\"84,40,102,56\"}]"} {"title":"Permeability of free space","description":"Correct!","type":"correct","color":"#00ff00","code":"[{\"shape\":\"rect\",\"coords\":\"59,39,79,62\"}]"}

Review

We learned in Section 22-3 that the laws of electromagnetism explain how electromagnetic waves, including visible light, are possible. These laws also predict that the speed of electromagnetic waves in a vacuum is