The New Encyclopædia Britannica, Volume 2Encyclopædia Britannica, 1992 - 32 pages |
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Page 203
... reflected by a mirror , the curvature of the waves is changed , and the angular divergence of the ray bundle is ... reflected at a polished surface , the angle of reflection between ray and normal ( the line at right angles to the ...
... reflected by a mirror , the curvature of the waves is changed , and the angular divergence of the ray bundle is ... reflected at a polished surface , the angle of reflection between ray and normal ( the line at right angles to the ...
Page 789
... reflected from the subject and controls the flash duration ( and hence the exposure ) accordingly . In certain cameras in which photocells measure the light reflected from the film , the same cells can similarly control the flash ...
... reflected from the subject and controls the flash duration ( and hence the exposure ) accordingly . In certain cameras in which photocells measure the light reflected from the film , the same cells can similarly control the flash ...
Page 820
... reflection and refraction may be deduced from this principle if it is assumed as Fermat did , correctly , that in a ... reflected from F , to F2 only at the point of contact . For the flat reflector the path taken is the shortest of all ...
... reflection and refraction may be deduced from this principle if it is assumed as Fermat did , correctly , that in a ... reflected from F , to F2 only at the point of contact . For the flat reflector the path taken is the shortest of all ...
Contents
NUMBER GAMES and Other Mathematical Recreations | 1 |
NUMBER THEORY | 14 |
NUMERICAL ANALYSIS | 38 |
Copyright | |
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