Reflectance is also commonly used as an evaluation criterion for luminaire reflectors. The reflectance of this translucent piece of glass is 80%. Note that the angle of the incoming ray is the same as the angle of the reflected ray.
(Äz`tÄk'), Indian people dominating central Mexico at the time of the Spanish conquest. Their language belonged to the Nahuatlan subfamily of Uto-Aztecan languages. They arrived in the Valley of Mexico from the north toward the end of the 12th cent. and until the founding of their capital, TenochtitlÃ¡nTenochtitlÃ¡n. , ancient city in the central valley of Mexico. The capital of the Aztec, it was founded (c.A.D. 1345) on a marshy island in Lake Texcoco. It was a flourishing city (with an estimated population of between 200,000 and 300,000), connected with the mainland by. .....
The Aztec /ËaeztÉk/ ËÃ¦ztÉk people were certain ethnic groups of Central, mexico particularly those groups who spoke The nahuatl language and who dominated large parts Of mesoamerica from the 14th to 16th. centuriesn other contexts, Aztec may refer to all the various city states and their peoples, who shared large parts of their ethnic history and cultural traits with the Mexica, Acolhua and Tepanecs, and who often also used the Nahuatl language as a lingua franca.