 | Mathematics - 1828 - 336 pages
...of its points, might be easily determined from equation (l),by trigonometric considerations, since the incident and reflected rays make equal angles with the normal to any point in the reflecting curve. SECOND SOLUTION. — By Analyticus, Jfew-Jersey. Let R=the radius... | |
 | Charles Davies, William Guy Peck - Mathematics - 1855 - 628 pages
...the surface at the point of incidence. It is a property of the incident and reflected rays that they make equal angles with the normal to the reflecting surface at the point of incidence. RE-GRES'SION POINT. [L rtgrcdiar, to return ; from re. and srcdior]. The same as cusp point, which... | |
 | Adolphe Ganot - Physics - 1865 - 524 pages
...called the point of incidence ; thus, D is a point of incidence. The angle which the incident ray makes with the normal to the reflecting surface at the point of incidence, is called the angle of incidence; thus, CD A is an angle of incidence. The plane -which passes through... | |
 | Samuel Edward Warren - Shades and shadows - 1867 - 190 pages
...SB, parallel to KT, and B, its intersection with the plane TP, will evidently be the point at which the incident and reflected rays make equal angles with the normal to the plane. Hence B is the brilliant point required. Remarks. — a. Observe, that as NT is normal to the... | |
 | Henry Watts - 1868 - 1170 pages
...reflection must take place so that the reflected ray lies in the same plane with the incident ray, and the normal to the reflecting surface at the point of incidence, and that the incident and reflected rays make equal angles with the normal. That radiant heat is thus reflected... | |
 | Adolphe Ganot, William Guy Peck - Physics - 1871 - 510 pages
...the point of incidence ; thus, .J) -is a point of incidence, The angle that the incident ray makes with the normal to the reflecting surface at the point of incidence, is called the angle of incidence; thus, 01) A is an angle of incidence. The plane that passes through... | |
 | William Garnett - Heat - 1876 - 180 pages
...with the normal to the reflecting surface at the point of incidence, and on opposite sides of it. (2) The incident and reflected rays make equal angles...the reflecting surface at the point of incidence. 153. In the experiment described in Art. 147, we found that on substituting a rock-salt prism for the... | |
 | William Garnett - Chemistry - 1878 - 236 pages
...reflecting surface at the point of incidence, and on opposite sides of it. (2) The incident and reflecting rays make equal angles with the normal to the reflecting surface at the point of incidence. 235. In the experiment described in Art. 229, we found that on substituting a rock-salt prism for the... | |
 | Henry Watts - 1883 - 1160 pages
...reflection must take place so that the reflected ray lies in the same plane with the incident ray, and the normal to the reflecting surface at the point of incidence, and that the incident and reflected rays make equal angles with the normal. That radiant heat is thus reflected... | |
 | William Garnett - 1884 - 274 pages
...reflecting surface at the point of incidence, and on opposite sides of it. (2) The incident and reflecting rays make equal angles with the normal to the reflecting surface at the point of incidence. 235. In the experiment described in Art. 229, we found that on substituting a rock-salt prism for the... | |
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This law is: the incident and reflected rays make equal angles with the normal to the reflecting surface at the point of incidence, and are coplanar with the normal. 
