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" The incident ray, the refracted ray, and the normal at the point of incidence all lie in the same plane. "
An Elementary Text-book of Physics: Light - Page 128
by Robert Wallace Stewart - 1909
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A course of natural philosophy, containing the elements of mechanics ...

Richard Wormell - 1871 - 288 pages
...following law is proved by experiment to hold good in all these cases. Laws of Refraction. 34. 1st. The incident ray, the refracted ray, and the normal, at the point of incidence, lie in the same plane. Explanation of the term Sine. 35. If a perpendicular be let fall from one of...
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The Elementary Theory of the Symmetrical Optical Instrument

John Gaston Leathem - Geometrical optics - 1908 - 88 pages
...nearly normal. It is therefore possible so to choose the axis of z that it shall be nearly parallel to the incident ray, the refracted ray, and the normal at the point of incidence. When the axis of z has been so chosen, I, m, I', m', L, M, are all small. We shall obtain approximate...
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A Textbook of Modern Physics

Le Roy Dougherty Weld, Frederic Palmer - Physics - 1925 - 760 pages
...discovered by the Dutch physicist, Snell, about three hundred years ago, as was also the second law; namely, the incident ray, the refracted ray, and the normal...the point of incidence all lie in the same plane. 399. Critical Angle. Total Reflection. — In the case above. the refraction is toward the normal N,...
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Lens Design Fundamentals

Rudolf Kingslake - Science - 1978 - 388 pages
...taken into account if a lens is to be used in vacuum. The second part of the law of refraction is that the incident ray, the refracted ray, and the normal at the point of incidence all lie in one plane, called the plane of incidence. This part of the law becomes of importance in the tracing...
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Optical Components, Techniques, and Systems in Engineering

Sirohi - Science - 1990 - 464 pages
...direction of the refracted ray is governed by Snell's law, namely (a) ni sin 6i = nr sin 6r, and (b) the incident ray, the refracted ray, and the normal at the point of incidence lie in the same plane. Here n; and nr are the refractive indices in the first and second media, and...
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A-level Physics

Roger Muncaster - Juvenile Nonfiction - 1993 - 964 pages
...constant = 5.67 x [L] 348 SECTION D GEOMETRICAL OPTICS 18 REFRACTION 18.1 THE LAWS OF REFRACTION (i) The incident ray, the refracted ray and the normal at the point of incidence are all in the same plane (Fig. 18.1). (ii) At the boundary between any two given materials, the rado...
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Physics - a Concise Revision Course for CXC

Leslie Clouden - Juvenile Nonfiction - 1999 - 148 pages
...•* \ ^x \ xv direction in ""• ^ which ray would efractedray\ j have gone J The laws of refraction The incident ray. the refracted ray and the normal...the point of incidence all lie in the same plane. Snell's law The ratio of the sine of the angle of incidence to the sine of the angle of refraction...
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Sasol Encyclopaedia of Science and Technology

G.C. Gerrans, P. Hartmann-Petersen, Rasmus Hartmann-Petersen - Physics - 2004 - 312 pages
...reflection. reflection of light, laws of Two laws, stating that (1) The incident ray, the reflected ray and the normal at the point of incidence all lie in the same plane. (2) The angle of incidence is equal to the angle of reflection. See Fig. 4. reflection, total internal...
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Refresher Course in B.Sc.Physics ( Vol . II)

C L Arora - Science - 2010 - 1126 pages
...velocity of light in vacuum to the velocity of light in the medium. It is also clear from the figure that the incident ray, the refracted ray and the normal...the point of incidence, all lie in the same plane. Hence, the laws of refraction are proved. Q. 7.5. The velocity of light in air is 3 x 108 m/sec. Find...
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Academic Physics X

2008 - 456 pages
...reflection. 1.07. LAWS OF REFLECTION OF LIGHT Statements First law. The incident ray, the reflected ray and the normal at the point of incidence, all lie in the same plane. In Fig. 1.04, the common plane is the plane of the book-page. Second law. The angle of reflection (Z...
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