Carhart, Henry S. (Henry Smith), 1844-1920 · Boston : Allyn and Bacon · leaf 257
irror as ifit came from the next preceding virtual image in the otherone. Let 0 be a luminous point betweenthe two mirrors AB and AC (Fig.109). The first image in AB isfound by drawing the perpendicularOb and making the distances of I and0 from the mirror equal. Then b isin front of the mirror AC,… … REFLECTION AND REFRACTION. 247 Iii the same way may be found the images c, b, b byfirst finding the image of 0 in AC. These images all lie on a circle of which A is the centreand the radius AO. For the two right triangles OABand bAB, having the two sides and the included angle ofthe one equal to…
Physics
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