| Jeremiah Joyce - 1809 - Страниц: 290
...from the corner of the opposite side. James. You see, instead of coming back to your hand, it goes ofT to the other corner, directly opposite to the place...definitions in optics, viz. that the angle of reflection is ate ays. equal tit the angle ef incidence. You kno\v what an angle is*? Charks. We do: but not what... | |
| William Nicholson - 1809 - Страниц: 734
...part, anil called looking-glasses. The doctrine of mirrours depends wholly on that fundamental law, that the angle of reflection is always equal to the angle of incidence. See OPTICS. Parallel rays falling directly on a plan« speculum are reflected back upon themselves;... | |
| John Mason Good - 1819 - Страниц: 788
...part, and called, looking-gUstes. The doctrine of mirroiirs depends wholly on that fundamental law, that the angle of reflection is always equal to the angle of incidence. See OPTICS. Parallel rays falling directly on a plane speculum arc reflected back upon themselves ;... | |
| James Smith - 1815 - Страниц: 684
...the key by which all (he phenomena of reflection are explained. The other law to which we allude, is, that the angle of reflection is always equal to the angle of incidence. In fig. 6, pi. I, a dis an incident ray, falling upon the surface ef, from which it is reflected in... | |
| William Nicholson - 1819 - Страниц: 412
...reflex vision, and explains the lairs and properties of reflection, chiefly founded upon this truth, that the angle of reflection is always equal to the angle of incidence ; and from thence deducing the magnitudes, shapes, and situations, of the appearances of objects seen... | |
| William Nicholson - 1819 - Страниц: 414
...reflex vision, and explains the laws and properties of reflection, chiefly founded upon this truth, that the angle of reflection is always equal to the angle of incidence ; and from thence deducing the magnitudes, shapes, and situations, of the appearances of objects seen... | |
| William Jillard Hort - 1822 - Страниц: 346
...various causes have been assigned for this effect. The fundamental law of the reflection of light is, that the angle of reflection is always equal to the angle of incidence. This is found by experiment to be the case, and may be demonstrated mathematically from the laws of... | |
| Mrs. Marcet (Jane Haldimand), John Lauris Blake - 1826 - Страниц: 308
...back part, and called looking-glasses. The doctrine of mirrors depends wholly on that fundamental law, that the angle of reflection is always equal to the angle of incidence. MOBILITY is that property of matter by which it is capable of being moved from one part of space to... | |
| Jeremiah Joyce - 1838 - Страниц: 398
...your hand, it goes off to the oiher corner, directly opposite to the place from which you sent it. T. This will lead us to the explanation of one of the...principal definitions in optics, viz. that the angle of reftection is always equal to the angte of incidence. You know what an angle is ?* C. We do : hut not... | |
| Jeremiah Joyce - 1841 - Страниц: 578
...of the room, from the corner of the opposite side. J. You see, instead of coming back to your hand, it goes off to the other corner, directly opposite to the place from which you sent it. 71. This will lead us to the explanation of one of the principal definitions in optics, viz. that the... | |
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