| Lynn Banks McMullen - Physics - 1906 - 452 pages
...discovered the following law of refraction, whose mathematical proof is given under Fig. 202 : The **ratio of the sine of the angle of incidence to the sine of the angle of refraction is** constant for the same two media, whatever the angle of incidence. TRACING RAYS FROM ONE MEDIUM TO ANOTHER.... | |
| Joseph Albertus Culler - Physics - 1906 - 420 pages
...light passes from a denser to a rarer medium. 275. Index of Refraction. The index of refraction, is the **ratio of the sine of the angle of incidence to the sine of the angle of** refraction. Let AO, Fig. 219, be a ray of light passing from air, say, into water, nn' is the perpendicular,... | |
| Ralph S. Minor - Physical measurements - 1906 - 200 pages
...p. 480. The refractive index 'of a substance for light of a given wave-length may be denned as the **ratio of the sine of the angle of incidence to the sine of the angle of** refraction, when the substance is the receiving medium. The beam of light is thought of as traveling... | |
| Silas Ellsworth Coleman - Physics - 1906 - 439 pages
...their indices are equal, light will pass from one to the other at any angle without deviation. The **ratio of the sine of the angle of incidence to the sine of the angle of** refraction when light passes from any medium into another is called the relative index of refraction... | |
| Lynn Banks McMullen - Physics - 1906 - 452 pages
...of using the ratio of the speeds in making a diagram, it is easier to use the equal ratio — that **of the sine of the angle of incidence to the sine of the angle of** refraction — and to construct the angle of refraction so that its sine shall bear the required ratio... | |
| Charles Herbert Clark - Microscope and microscopy - 1907 - 219 pages
...it has been found by experimental demonstration that, as long as the two media remain the same, the **ratio of the sine of the angle of incidence to the sine of the angle of refraction is** constant. This ratio - is called the Index of RefracPR tion. It is usually expressed decimally. If... | |
| George Arthur Hoadley - Physics - 1908 - 464 pages
...normal DE; then these lines are the sines of the angles of incidence and refraction respectively. The **ratio of the sine of the angle of incidence to the...angle of refraction is called the index of refraction.** In T?(3 Fig. 421 the index of refraction is jff>- This ratio is the same as the ratio of the velocities... | |
| Charles Francis Adams - Physics - 1908 - 490 pages
...trigonometry as'the sine of the angle AoP. Likewise LF the ratio — is the sine of the angle EoD. r The **ratio of the sine of the angle of incidence to the...of the angle of refraction is called the index of** reBC ...-,, - BC LF BC fraction of the two media. — - -. • = -=— rr LF is the index of refraction... | |
| Silas Ellsworth Coleman - Physics - 1908 - 264 pages
...angles of incidence and refraction will B" FIG. 72. simply be interchanged. We shall then have as the **ratio of the sine of the angle of incidence to the sine of the angle of** refraction PJP{, Pi/Pl, and P3/PS' for the three cases, respectively, and we have learned that these... | |
| Robert Wallace Stewart - Light - 1909
...normal at the point of incidence, and the refracted line of disturbance are in the same plane. The **ratio of the sine of the angle of incidence to the sine of the angle of** refraction for any two media is called the index of refraction for these two media, and is usually... | |
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