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" ... the angle of reflection is always equal to the angle of incidence, the image for any point can be seen only in the reflected ray prolonged. "
An elementary course of practical mathematics - Página 294
por James Elliot - 1851
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The great art of artillery, tr. from the Fr. by G. Shelvocke

Kazimierz Siemienowicz - 1729
...according to the Nature of the Rays of all Luminous Bodies, with whom (as we are taught by Optics) the Angle of Reflection is always equal to the Angle of Incidence. Wherefore all the Rays in general being confined and refifted by the Body they would project, and having...
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Miscellanea Curiosa Mathematica: Or, The Literary Correspondence ..., Volumen1

Francis Holliday - 1749 - 316 páginas
...the fides of the figure b, myn,p'y and A, 2, 3, 4, A, will be the path of the moving body A, becaufe the angle of reflection is always equal to the angle of incidence, and the center of the ball, perpendicular to the point of contract ; hence by drawing 2 F, 3 G and...
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Lectures on Natural and Experimental Philosophy: Considered in It ..., Volumen2

George Adams - 1794
...that is, either perpendicularly or obliquely; and experience has proved, that when light is reflected, the angle of reflection is always equal to the angle of incidence. Thus, fuppofe ab, jig. 25, pi. i, to be the furface of a plane mirror, If a ray of light fc falls perpendicularly...
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Letters of Euler on Different Subjects in Physics and Philosophy: Addressed ...

Leonhard Euler - 1802
...equal to B' MP, and the angle A mw, equal to the angle B m P. Toil This property is thus enounced : The angle of reflection is always equal to the angle of incidence. I have already taken notice of this ftriking property ; but my defign, at prefent, is to fhew what...
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System of Theoretical and Practical Chemistry ...

Friedrich Christian Accum - 1808
...without coming into contact with the matter which repels it. The ray is then said to be reflected. The angle of reflection is always equal to the angle of incidence. EXPERIMENT II. To prove that the angle of refection is equal to the angle of incidence. There are several...
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A General View of the Natural History of the Atmosphere: And of ..., Volumen1

Henry Robertson (M.D.) - 1808 - 406 páginas
...through a stratum more rare. The rays of light are likewise capable of being reflected from bodies; and the angle of reflection is always equal to the angle of incidence. A ray is said to be perfectly reflected, when the whole of it is again thrown out, either as it struck...
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The British encyclopedia, or, Dictionary of arts and sciences, Volumen4

William Nicholson - 1809
...anil called looking-glasses. The doctrine of mirrours depends wholly on that fundamental law, that the angle of reflection is always equal to the angle of incidence. See OPTICS. Parallel rays falling directly on a plan« speculum are reflected back upon themselves;...
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Scientific Dialogues: Intended for the Instruction and Entertainment of ...

Jeremiah Joyce - 1809
...reflected ray? Charks. Since cb is perpendicular to the glass at b, the angle of incidence is abc; and as the angle of reflection is always equal to the angle of incidence, I must make another angle, as cbm, equal to abc*, : : .«'! v and then the line fy tfi is that in which...
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The Modern Preceptor ; Or, a General Course of Education, Volumen2

John Dougall - 1810 - 580 páginas
...angle, equal to that formed with the same body, by the original impinging ray ; or, in other words, the angle, of reflection is always equal to the angle of incidence. Thus, if the original ray fall perpendicularly on the reflecting body, the reflected ray will return...
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The Elements of Chemistry

Thomas Thomson - 1810 - 496 páginas
...elastic ball were made to strike obliquely ajcainst the ground. The ray is then said to be reflected. The angle of reflection is always equal to the angle of incidence. When a ray of light passes within a certain distance of another body, it is bent to-iciirda it ; at...
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