 ... medium, as out of water into air, the angle of incidence is less than the angle of refraction: and these angles are so related to one another, that when the ray which was refracted in the one case becomes the incident ray, what was formerly the incident...  A Treatise on Optics - Page 28by David Brewster - 1841 - 418 pagesFull view - About this book
 | David Brewster - 1831 - 412 pages
...incidence is greater than the angle of refraction; and when light passes out of a dense into a rare medium, as out of water into air, the angle of incidence is lens than the angle of refraction : and these angles are so related to one another, that when the ray... | |
 | David Brewster, Alexander Dallas Bache - 1833 - 674 pages
...when light passes out of a rarer into a denser medium, as from air to water, the angle of incidence is greater than the angle of refraction; and when light...In order to discover the law, or rule, according to Fig. 18. which the rays of light enter or quit water, or other refracting media, so that we may be... | |
 | William Mullinger Higgins - 1836 - 514 pages
...greater than (he angle of refraction ; but when out of a dense into a rare medium, as from water to air, the angle of incidence is less than the angle of refraction. There are many phenomena in external nature which result from the reflection of light, for nearly all... | |
 | 1836 - 422 pages
...greater than the angle of refraction ; but when out of a dense into a rare medium, as from water to air, the angle of incidence is less than the angle of refraction. There are many phenomena in external nature which result from the reflection of light, for nearly all... | |
 | Humphrey Lloyd - 1849 - 136 pages
...perpendicular to the bounding surface. On the contrary, when the ray passes from a denser into a rarer medium, the angle of incidence is less than the angle of refraction, and the deviation is from the perpendicular. 44. The angles of incidence and refraction are in the same... | |
 | Robert Hunt - 1851 - 502 pages
...greater than the angle of refraction ; but when it passes from a dense into a rare medium, as from water into air, the angle of incidence is less than the angle of refraction. The ray of light is bent towards the perpendicular iu the first case, and from the perpendicular in... | |
 | Humphrey Lloyd - 1857 - 256 pages
...perpendicular to the bounding surface. On the contrary, when the ray passes from a denser into a rarer medium, the angle of incidence is less than the angle of refraction, and the deviation is from the perpendicular. (24) The angles of incidence and refraction are in the same... | |
 | John Hughes Bennett - 1870 - 466 pages
...incidence is greater than the angle of refraction ; and when the ray passes out of a dense into a rare medium, as out of water into air, the angle of incidence is less than the angle of refraction. Now draw the lines, ab and с d. The first, ab, is the sine of the angle of incidence, the other, с... | |
 | Walton Martin, William Hayden Rockwell - 1900 - 432 pages
...critical angle : When a luminous ray passes iuto a medium of less refracting power, as from water to air, the angle of incidence is less than the angle of refraction. Hence, there is always an angle of incidence, SOB, such that the angle of refraction, A 0 B, is a right... | |
 | United States National Museum - 1902 - 1020 pages
...refraction. When a ray of light passes from one medium into another which is less refracting, as from water into air, the angle of incidence is less than the angle of refraction. Hence when light is propagated in a mass of water there is always a value of the angle of incidence... | |
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