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" This is the same as saying that when a ray of light passes out of one medium into another, the... "
Solutions of the Cambridge Problems: From 1800 to 1820 - Side 711
av John Martin Frederick Wright - 1825
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A General History of Mathematics from the Earliest Times to the Middle of ...

Charles Bossut - 1803 - 540 sider
...Snell did not perceive, that his proposition amounted to the same thing as saying in other terms, that when a ray of light passes out of one medium into another, the sines of the angles it forms \n the two mediums with the vertical line always preserve a constant...
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Astronomy Explained Upon Sir Isaac Newton's Principles: And Made Easy to ...

James Ferguson - 1809 - 533 sider
...so much dimmer must it appear when the"b»re viewed by a telescope, than by the bare eye. eye. 171. When a ray of light passes out of one medium* into another, it is refracted, or turned out of its first course, more or less, as it falls more or less obliquely...
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A Plain Elementary and Practical System of Natural Experimental Philosophy ...

John Ewing - 1809 - 538 sider
...pores, and yet none of these pores exceeding any given diameter or magnitude. REFRACTION OF LIGHT. WHEN a ray of light passes out of one medium, into another of different density, in a direction perpendicular to the surface of the second medium, it is accelerated...
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A Complete System of Astronomy, Volum 1

Samuel Vince - 1814
...uniformly, for the reasons above given, and therefore the difference of the densities is constant. But when a ray of light passes out of one medium into another, it is attracted by a force which depends on the difference of their densities, and therefore when the...
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An Introduction to Astronomy ...

John Bonnycastle - 1816 - 428 sider
...planets receive from the sun, decreases in proportion as the squares of their distances increase; and when a ray of light passes out of one medium into another, it is refracted or turned out of its course, according as it falls more or less obliquely on the refracting...
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The Contemplative Philosopher: Or, Short Essays on the Various ..., Volum 2

Richard Lobb - 1817
...familiar illustration, and will account for a very common, but seemingly extraordinary phenomenon. When a ray of light passes out of one medium into another, it is refracted, or turned out of its first course, according as it falls more or less obliquely on...
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The Scientific Library; Or, Repository of Useful and Polite Literature ...

Thomas Smith - 1818
...•whatever parts of their orbits the eclipse happen, they are invariably atlected in the same manner. When a ray of light passes out of one medium into another of different density, it is said to be refracted, or breken in its course, in proportion as it falls...
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Aristarchus; Or, The Principles of Composition: Containing a Methodical ...

Philip Withers - 1822 - 396 sider
...posteriori from the Effect to the Cause: they are DISTINGUISHED by the Terms SYNTHESIS and ANALYSIS. TERMED. When a Ray of Light passes out of one Medium into another, and is bent out of its Course at the common Surface, this Bending is TERMED REFRACTION ;* and when...
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A Popular Course of Pure and Mixed Mathematics ...: With Tables of ...

Peter Nicholson - 1825 - 372 sider
...any surface, is turned back into the medium in which it was moving, it is said to be reßected. 8. When a ray of light passes out of one medium into another, and has its direction changed at the common surface of the two mediums, it is said to be refracted....
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The Register of Arts, and Journal of Patent Inventions, Volum 3

Luke Herbert - 1826
...miles, we are surrounded by a transparent medium called the Atmosphere. Now it is a law in optics, that when a ray of light passes out of one medium into another, it is turned out of its course according as it falls more or less obliquely on the refracting surface...
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