Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Books Books
" When a ray of light passes from one medium to another, it is refracted so that the ratio of the sine of the angle of incidence to the sine of the angle of refraction is equal to the ratio of the velocities in the two media. "
Abstracts of the Papers Printed in the Philosophical Transactions of the ... - Page 35
by Royal Society (Great Britain) - 1832
Full view - About this book

The Elements of Astronomy, Physical and Geometrical: Done Into English, with ...

David Gregory - Astronomy - 1715 - 634 pages
...SCHOLIUM. If the Dioptric denfity of the Atmofphere were known in any given diftance from the Earth, or the ratio of the Sine of the Angle of incidence to the Sine of the refraeted Angle, in the paflage of a Ray thro' its Surface concentric with the Earth, whofe diftance...
Full view - About this book

Philosophical Transactions, Giving Some Account of the Present Undertakings ...

Meteorology - 1723 - 1336 pages
...the refracted Angle ; fo that IH being perpendicular to FH and IG perpendicular to FG, IH is to IG as the Sine of the Angle of Incidence to the Sine of the refracted Angle, and the Ratio of IH to IG is given, as likewife the Ratio of IK to I G. Therefore...
Full view - About this book

A Compleat System of General Geography: Explaining the Nature and Properties ...

Bernhardus Varenius - Geography - 1734 - 562 pages
...Refraftkn in it of a Star in a certain Altitude, to find tb Law of Refraftion, or the Proportion of the Sine of the Angle of Incidence^ to the Sine of the re~ f ratted Angle ; or to find the tbicknefi of the Air by that Refrattion. THE Altitude of the Air...
Full view - About this book

A Compendious System of Natural Philosophy: With Notes Containing the ...

John Rowning - Astronomy - 1744 - 470 pages
...fame Degree of fntenfenefs, whatever be the Velocity they move with ; It may be demonjtrated, that the Ratio of the Sine of the Angle of Incidence to the Sine of ibe Angle of RefratJian, will be given. But in Refraliion of Light, the Ratio of thofe Sines is given...
Full view - About this book

Sir Isaac Newton's Two Treatises: Of the Quadrature of Curves, and Analysis ...

Isaac Newton - Calculus - 1745 - 524 pages
...= x, CD =3 : whence becaufe GE, EB, EF are proportional, you have EB = </zx: moreover, if a exprefs the Ratio of the Sine of the Angle of Incidence to the Sine of the Angle of Refraction, then BD = az : likewife from the fimilar Triangles DBE, DGH, you have DB (az) : BE (vT)...
Full view - About this book

A Compendious System of Natural Philosophy: With Notes, Containing the ...

John Rowning - Astronomy - 1758 - 500 pages
...fame Degree of Intenfenefs, whatever be the Velocity they move with*, it may he demenjlraied, that the Ratio of the Sine of the Angle of Incidence to the Sine of the Angle of Refraftion, will be given. But in Refraflion cf Light, the Ratio of thofe Sines is given in Fail ;...
Full view - About this book

A Plain Elementary and Practical System of Natural Experimental Philosophy ...

John Ewing - Astronomy - 1809 - 672 pages
...velocity of the ray of light, after it enters a denser medium, is to its velocity before it enters it, as the sine of the angle of incidence to the sine of the angle of refraction. For the greater that the attractive force of the denser medium is, the more will the ray...
Full view - About this book

Encyclopaedia Britannica; Or A Dictionary of Arts, Sciences, and ..., Volume 15

Encyclopedias and dictionaries - 1823 - 886 pages
...the angle EFK ; that is, as the sine of the angle ЛВН to the sine of the angle FEI; that is, as the sine of the angle of incidence to the sine of the angle of refraction. By the same reasoning it will appear that light, moving in the direction and with the velocity...
Full view - About this book

Outlines of Physiology: With an Appendix, Containing Heads of Lectures on ...

William Pulteney Alison - Human physiology - 1831 - 538 pages
...the surface of the lens, — and by the degree of its refractive power, that is, by the proportion of the sine of the angle of incidence, to the sine of the angle of refraction, of all rays that enter it from air. Now, these three conditions are the same in regard...
Full view - About this book

Abstracts of the Papers Printed in the Philosophical Transactions ..., Volume 1

Royal Society (Great Britain) - Electronic journals - 1832 - 564 pages
...enunciations, some of which may appear elementary, yet lead to results of a less obvious nature. rliiey are as follows; — 1. In all refractions the ratio...refracting mediums a third medium, terminated by parallel surfaces', be inter.posed, the whole refraction will remain unchanged. 3. At the vertex of a given...
Full view - About this book




  1. My library
  2. Help
  3. Advanced Book Search
  4. Download EPUB
  5. Download PDF