Light: A Series of Simple, Entertaining, and Inexpensive Experiments in the Phenomena of Light, for the Use of Students of Every AgeD. Appleton, 1877 - 112 páginas |
Dentro del libro
Resultados 1-5 de 8
Página 22
... rings are very strong , they will answer perfectly . The long mirror is to go on the movable piece at N , and the small mirror stands on the shelf , facing the opening in the board , at O. This mirror stands at the angle shown in the ...
... rings are very strong , they will answer perfectly . The long mirror is to go on the movable piece at N , and the small mirror stands on the shelf , facing the opening in the board , at O. This mirror stands at the angle shown in the ...
Página 50
... bright lamp , look through the tube with one eye , and you will see a spot of light surrounded by a number of beautiful rings . Here we have another example of multiplied re- flection . 50 LIGHT . Experiment with Glass Tube.
... bright lamp , look through the tube with one eye , and you will see a spot of light surrounded by a number of beautiful rings . Here we have another example of multiplied re- flection . 50 LIGHT . Experiment with Glass Tube.
Página 51
... rings . Fig . 11 represents a section of the tube , and shows the paths the different rays of light take , and shows how each is reflected from side to side till they all meet in the eye . The dotted lines and the rings projected beyond ...
... rings . Fig . 11 represents a section of the tube , and shows the paths the different rays of light take , and shows how each is reflected from side to side till they all meet in the eye . The dotted lines and the rings projected beyond ...
Página 95
... ring of light . When light falls upon the eye its effect lingers for a short time , even after the source of the light has moved away , or has ceased to give light . The vision is said to persist or stay after the light has really gone ...
... ring of light . When light falls upon the eye its effect lingers for a short time , even after the source of the light has moved away , or has ceased to give light . The vision is said to persist or stay after the light has really gone ...
Página 101
... ring of green color round the spinning top . When it stops , take off the pasteboard , and revolve the colored disks ... ring of yellow . Move the disks again , so as to display one- quarter of the green and three - quarters of the red ...
... ring of green color round the spinning top . When it stops , take off the pasteboard , and revolve the colored disks ... ring of yellow . Move the disks again , so as to display one- quarter of the green and three - quarters of the red ...
Otras ediciones - Ver todas
Términos y frases comunes
15.2 centimetres 551 BROADWAY ALEXANDER BAIN ALFRED MARSHALL angle angle of incidence appear beam of light beam of reflection beam of sunlight beautiful black mirror block of wood blue bright candle centi centre CHARLES BARNARD color color-top curious dark room diameter disk distance dotted lines experiment fastened flask focus FRANCIS GALTON give glass gray paper green heliostat hole Illustrations inch 25 millimetres inches 12.7 centimetres lamp lantern light entering light passes look looking-glass M. A. Cloth magic lanterns ments metres mirror mucilage phenomena picture piece plano-convex lens point of incidence postal-card Price Prof Professor rays red square reflected light refraction ring SCIENCE screen shade shadow sheet shine side slide slit smoke spot of light square stars surface things top spin tube University of Erlangen violet wall water-lens window yellow