Preston, Thomas, Joly, Charles Jasper, 1864-1906, Parsons, John Herbert, Sir, 1868-1957, donor, University College, London. Library Services · London : Macmillan and Co. · leaf 116
e fronts. 67. Total Reflection. — If the first medium be rarer (less refracting) than the second, the radius of the second sphere is less than that of the first, but the radius AB' of the first is equal to BA', which is less than AA', hence the radius AC of the second sphere is always less than… … second sphere is greater than AA', the point A' will lie inside it, and it will be impossible to draw a real tangent plane to it from A'. Consequently there is no refracted wave, and the light is all reflected back into the first medium, as shown in Fig. 48. The light in this case is said to be…
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