 | John Lee Comstock, Richard Dennis Hoblyn - Physics - 1846 - 148 pages
...part, and called lookingglasses. The doctrine of mirrors depends wholly on that fundamental law, that the angle of reflection is always equal to the angle of incidence. MOBILITY. That property of matter by which it is capable of being moved from one part of space to another.... | |
 | Mary Somerville - Physical sciences - 1846 - 506 pages
...iavisible. Whatever the reflecting surface may be, and however obliquely the light may fall upon it, the angle of reflection is always equal to the angle of incidence. Thus IC, I' C, being rays incident on the surface at C, they will be reflected into CS, C S', so that... | |
 | Johann Heinrich Jacob Müller - Fisica - 1847 - 630 pages
...solid impediment, they are almost entirely reflected. Whether the reflection be partial or entire, the angle of reflection is always equal to the angle of incidence, no. 196. Let s sl, Fig 196, fee the 8eparatmg surface of the two media, say air and water, and suppose... | |
 | Mary Somerville - Physical sciences - 1849 - 568 pages
...invisible. Whatever the reflecting surface may be, and however obliquely the light may fall upon it, the angle of reflection is always equal to the angle of incidence. Thus IC, 1J C, being rays incident on the surface at C, they will be reflected into CS, C S', so that... | |
 | Richard Green Parker - Physics - 1849 - 418 pages
...reflects an entire image of the luminary ; but as the image can be seen only by reflected rays, and as the angle of reflection is always equal to the angle of incidence, the image for any point can be seen only in the reflected ray prolonged. 2. Objects seen by moonlight... | |
 | Richard Green Parker - Physics - 1850 - 408 pages
...reflects an entire image of the luminary ; but as the image can be seen only by reflected rays, and as the angle of reflection is always equal to the angle of incidence, the image for any point can be seen only in the reflected ray prolonged. 2. Objects seen by moonlight... | |
 | James Elliot - 1851 - 162 pages
...object and its reflection is then observed, and half of that is taken as the angle of elevation, since the angle of reflection is always equal to the angle of incidence. To prevent agitation by the wind, the mercury is frequently covered by a roof of plate glass. The basin... | |
 | Lewis Gompertz - Mechanical movements - 1851 - 118 pages
...of space; the balls, then, that strike this piece on the recess, according to the wellknown law that the angle of reflection is always equal to the angle of incidence, fly from side to side in the decreasing cavity till they reach the recess which conducts them out the... | |
 | J. Davy - Chemistry - 1851 - 326 pages
...body, it is either reflected, refracted or absorbed. What is the angle of reflection always equal to? The angle of reflection is always equal to the angle of incidence. When rays of light pass from a rarer to a denser medium, as from air into water, what are they refracted... | |
 | Charles Grenfell Nicolay - Cartography - 1852 - 482 pages
...ray makes the same angle with the perpendicular to the surface that the incident ray does, — ie, the angle of reflection is always equal to the angle of incidence. 294 Fig. 79 enables us to determine the course of the refracted ray by construction on paper, as follows... | |
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... the angle of reflection is always equal to the angle of incidence, the image for any point can be seen only in the reflected ray prolonged. 
