 | 1883 - 1048 páginas
...errors. The instrument is based upon the laws of reflection, the second law of which teaches us : " The incident and reflected rays are both in the same...which is perpendicular to the reflecting surface." Therefore a raj parallel to the plane of the sextant, can never be reflected unless the mirrors are... | |
 | Sidney Augustus Norton - 1870 - 518 páginas
...angle, PER, the angle of reflection. If these angles are carefully measured, it will be found that 1. The angle of incidence is equal to the angle of...which is perpendicular to the reflecting surface. 454. These laws apply to every reflecting point of incidence. There may be two modes of reflection:... | |
 | Sidney Augustus Norton - 1870 - 492 páginas
...these angles are carefully measured, it will be found that 1. The angle of incidence is equal to ihe angle of reflection. 2. The incident and reflected...which is perpendicular to the reflecting surface. 454. These laws apply to every reflecting point of incidence. There may be two modes of reflection:... | |
 | John Hughes Bennett - 1870 - 466 páginas
...the angle of reflection. The • angle of reflection is always equal to the angle of incidence, and the incident and reflected rays are both in the same...which is perpendicular to the reflecting surface. A certain amount of light is, however, lost, as the quantity in the reflected ray is less than in the... | |
 | Adolphe Ganot, Edmund Atkinson - 1872 - 552 páginas
...The angle of reflection is equal to the angle of incidence. II. The incident and the reflected ray are both in the same plane, which is perpendicular to the reflecting surface. First proof. The two laws may be demonstrated by the apparatus represented in fig. 21 1. It consists... | |
 | Amédée Guillemin - 1872 - 756 páginas
...— The. angle of incidence is equal to tJie angle of reflection. Tlte incident and the reflected ray are both in the same, plane, which is perpendicular to the reflecting surface. These are two very simple laws, but they suffice to offer an explanation of the most complex phenomena,... | |
 | Adolphe Ganot - 1872 - 588 páginas
...The angle of reflection is equal to the angle of incidence. II. The incident and the reflected ray are both in the same plane, which is perpendicular to the reflecting surface. First proof. The two laws may be demonstrated by the apparatus represented in fig. 2i1. It consists... | |
 | Adolphe Ganot - 1877 - 976 páginas
...of reflection is equal to the angle of incidence. Fig. 381. II. The incident and the reflected ray are both in the same plane, which is perpendicular to the reflecting surface, The words are here used in the same sense as in article 399, and need no further explanation. First... | |
 | Elroy McKendree Avery - 1878 - 480 páginas
...of light without a change in its medium is called reflection of light. from polished surfaces is in accordance with the following laws: (1.) The angle...from the middle of a horizontal meter or yardFIG. 279. stick. Place the tip of a candle flame opposite one of the divisions of the stick, and place the... | |
 | John A. Bower - 1879 - 186 páginas
...light itself, be it from the sun or any other form of light. 2. The incident and the reflected ray are both in the same plane, which is perpendicular to the reflecting surface. We hope these two laws are sufficiently intelligible to our young readers without more explanation... | |
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The incident and the reflected ray are both in the same plane, which is perpendicular to the reflecting surface. 
