 | Parker Cleaveland - 1816 - 702 pagina’s
...on the imbibition of water, and will be more fully explained. 5. Refraction. 102. It is well known, that, when a ray of light passes obliquely from one medium to another of different density, it is refracted, or bent from its original direction. Still the image of any object, seen through a refracting... | |
 | Parker Cleaveland - 1822 - 886 pagina’s
...on the imbibition of water, and will be more fully explained. 5. Refraction. 119. It is well known, that, when a ray of light passes obliquely from one medium to another of different density, it is refracted, or bent from its original direction. Still the image of any object, seen through a refracting... | |
 | John Lee Comstock - 1832 - 362 pagina’s
...side of the other arm will cut the degree on the graduated scale. DOUBLE REFRACTION. It is well known that when a ray of light passes obliquely from one medium to another of a different density, it is refracted, or bent out of its original direction. Experiment shows that... | |
 | John Lee Comstock - 1832 - 364 pagina’s
...of the other arm will cut the degree on the graduated scale. , DOUBLE REFRACTION. It is well known that when a ray of light passes obliquely from one medium to another of a different density, it is refracted, or bent out of its original direction. Experiment shows that... | |
 | John Gummere - 1837 - 506 pagina’s
...this action is called Astronomical Refraction, or simply Refraction. OF REFRACTION. 8. It is known that when a ray of light passes obliquely from one medium to another of different density, its direction is changed. Let FHGB, Fig. 2, be a vertical section of a vessel whose sides are opaque.... | |
 | John Johnston - 1846 - 314 pagina’s
...from the perpendicular BA, and take the direction BC. When the ray Quest. 360. What will be the effect when a ray of light passes obliquely from one medium to another of different density ? Will the ray be refracted when it passes perpendicularly from one medium to the other ? When the... | |
 | John Johnston - 1850 - 396 pagina’s
...same course, though not precisely the same path, as it had at first. • Refraction always takes place when a ray of light passes obliquely from one medium to another of different density, but not always to the same amount; this will depend upon the refracting power of the two media, and... | |
 | Alonzo Gray - 1850 - 422 pagina’s
...be remedied ? What are caustic curves 1 /\ SECTION HI.— DIOPTRICS, OR REFRACTION OF LIGHT. 1. When light passes obliquely from one medium to another of different density, it is refracted. \. If a ray of light pass from a rarer into a denser medium, it is bent toward a perpendicular... | |
 | Louis Agassiz - 1852 - 278 pagina’s
...transparent, like that of the chambers, but somewhat more dense. This is called the vitreous humor, (A.) 77. The object of this apparatus is to receive the...will be refracted or turned out of its course more or less, according to the difference of this density, and the obliquity at which the ray strikes the surface.... | |
 | John Johnston - 1854 - 420 pagina’s
...instead f continuing a straight course to D, will be bent downQtiESTioN 360. What will be the effect when a ray of light passes obliquely from one medium to another of different density ? Will the ray be refracted when it passes perpendicularly from one medium to the other ? When the... | |
| |
This is called the vitreous humor, (h.) 77. The object of this apparatus is to receive the rays of light, which diverge from all points of bodies placed before it, and to bring them again to a point upon the retina. It is a well-known fact, that when... 
