 | John Ewing - 1809 - 664 pages
...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... | |
 | James Ferguson - 1809 - 574 pages
...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... | |
 | Samuel Vince - 1814 - 602 pages
...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... | |
 | John Bonnycastle - 1816 - 490 pages
...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... | |
 | Richard Lobb - 1817 - 414 pages
...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... | |
 | Thomas Smith - 1818 - 158 pages
...•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... | |
 | Philip Withers - 1822 - 414 pages
...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... | |
 | John Martin Frederick Wright - 1825 - 798 pages
...freehold estate after the death of a person now sixty years of age, the rate of interest being given ? 11. When a ray of light passes out of one medium into another, as the angle of incidence increases, the angle of deviation also increases. 12. To find the least velocity,... | |
 | Peter Nicholson - 1825 - 1046 pages
...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.... | |
 | Luke Herbert - 1826 - 408 pages
...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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This is the same as saying that when a ray of light passes out of one medium into another, the... 
