 | Humphrey Lloyd - Light - 1857 - 256 pages
...incidence and reflexion (or the angles which the incident and reflected rays make with the perpendicular to the reflecting surface at the point of incidence) are in the same plane, and are equal. This law is universally true, whatever be the nature of the light itself, or that of 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... | |
 | 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... | |
 | John Gaston Leathem - Geometrical optics - 1908 - 88 pages
...expressing the laws of reflexion. The laws of reflexion are : — (i) the incident ray, the reflected ray, and the normal to the reflecting surface at the point of incidence are in one plane ; (ii) the angle of incidence is equal to the angle of reflexion. Using the notation of Article... | |
 | David Allan Low - Geometrical drawing - 1912 - 468 pages
...Reflections. — When a ray of light impinges on a polished surface at a point Q, it is reflected so that the incident and reflected rays and the normal to the reflecting surface at Q are in the same plane ; also the incident and reflected rays are equally inclined to the normal.... | |
 | William Norman Thomas - Surveying - 1920 - 552 pages
...found experimentally that (i.) The angle of incidence is equal to the angle of reflection, and (ii.) the incident and reflected rays and the normal to the reflecting surface at the point of contact all lie in one plane. Thus suppose CD (Fig. 50) represents a plane mirror or other polished... | |
 | Ervin Sidney Ferry - Physics - 1921 - 760 pages
...is traveling is called the reflected ray. The plane containing the incident ray, the reflected ray and the normal to the reflecting surface, at the point of incidence, is called the plane of incidence. That particular plane of incidence in which light is most copiously... | |
 | Roger Muncaster - Juvenile Nonfiction - 1993 - 964 pages
...20.1 THE LAWS OF REFLECTION Reflection (i) The reflected ray is in the same plane as the incident ray and the normal to the reflecting surface at the point of incidence. (ii) The angle of reflection is equal to the angle of incidence. The situation is illustrated in Fig.... | |
 | Alexander G. Alenitsyn, Eugene I. Butikov, Alexander S. Kondratyev - Science - 1997 - 536 pages
...which the speed of light is different. The refracted ray lies in the same plane with the incident ray and the normal to the reflecting surface at the point of incidence, and the angle of refraction ip2 obeys Snell's law: sin <pi = n2 sin v?2 , or sin if i (17.2) sin ,pz... | |
 | Michael Chapple - Political Science - 1999 - 282 pages
...direction obeys two laws known as the laws of reflection. lst law The incident ray, the reflected ray and the normal to the reflecting surface at the point of incidence all lie in the same plane. 2nd law The angle of incidence equals the angle of reflection. i = r Mirror... | |
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The incident ray, the reflected ray, and the normal to the reflecting surface at the point of incidence lie in the same plane, 2. 
