Tables 208-21 0.-THE REFLECTION OF LIGHT. 



197 



According to Fresnel the amount of light reflected by the surface of a transparent medium 

 = I (^ + •^) = ~ ) c-;»2 ). _L J\ ^~ t-..^2 1, -i_ J\ \ > ^ ^^ ^^^ amount polarized in the plane of inci- 



dence; B is that polarized perpendicular to this ; /and r are the angles of incidence and refraction. 



TABLE 209. — Light reflected when n Is near Unity or equals 1 + dn. 



TABLE 210. —Light reflected when n = 1.56. 



Angle of total polarization rr 57° io'.3, A r= 16.99. 

 * This column gives the degree of polarization. t Columns s and 6 furnish a means of 



determining A and B for other values of k. They represent the change in these quantities for a change of n ot o.oi. 

 Taken from E. C. Pickering's " Applications of Fresnel's Formula for the Reflection of Light." 

 Smithsonian Tables. 



