 | Samuel Griswold Goodrich - Children's literature - 1852 - 372 pages
...they move through it in a direction nearer to the perpendicular drawn to its surface. On the contrary, when light passes out of a denser into a rarer medium,...moves in a direction farther from the perpendicular. This refraction is greater or less; that is, the rays are more or less bent, or turned aside, from... | |
 | William Somerville Orr - Science - 1856 - 596 pages
...VARIOUS-SHAPED LENSES. 121 it in a direction nearer to the perpendicular drawn to its surface. On the contrary, when light passes out of a denser into a rarer medium,...moves in a direction farther from the perpendicular. This refraction is greater or less — that is, the rays are more or less bent, or turned aside from... | |
 | Chambers W. and R., ltd - 1856 - 866 pages
...they move through it in a direction nearer to the perpendicular drawn to its surface. On the contrary, when light passes out of a denser into a rarer medium, it moves in a direction further from the perpendicular. This refraction is greater or less — that is, the rays are more or... | |
 | Marcus Sparling - Photography - 1856 - 216 pages
...VARIOUS-SHAPED LENSES. it in a direction nearer to the perpendicular drawn to its surface. On the centrar)1, when light passes out of a denser into a rarer medium, it mores in a direction farther from the perpendicular. This refraction is greater or less — that is,... | |
 | John Lauris Blake - Agriculture - 1857 - 508 pages
...they move through it in a direction nearer to the perpendicular drawn to its surface. On the contrary, when light passes out of a denser into a rarer medium,...moves in a direction farther from the perpendicular. To prove this, take an upright empty vessel into a darkened room, which admits but a single beam of... | |
 | William Chambers - Encyclopedias and dictionaries - 1857 - 824 pages
...they move through it in a direction nearer to the perpendicular drawn to its surface. On the contrary, when light passes out of a denser into a rarer medium,...moves in a direction farther from the perpendicular. This refraction is greater or less — that is, the rays are more or less bent, or turned aside from... | |
 | William Chambers, Robert Chambers - Encyclopedias and dictionaries - 1867 - 832 pages
...they move through it in a direction nearer to the perpendicular drawn to its surface. On the contrary, when light passes out of a denser into a rarer medium, it moves in a direction further from the perpendicular. This refraction is greater or less—that is, the rays are more or... | |
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If the medium which the rays enter be denser, they move through it in a direction nearer to the perpendicular drawn to its surface. On the contrary, when light passes out of a denser into a rarer medium, it moves in a direction farther from the perpendicular.... 
