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 21
Página 16
... pass through glass or water , and do anything else that will illustrate the laws that govern it . Choose a bright , sunny day , and go into a room having windows through which the sun shines . Close the shutters , curtains , and blinds ...
... pass through glass or water , and do anything else that will illustrate the laws that govern it . Choose a bright , sunny day , and go into a room having windows through which the sun shines . Close the shutters , curtains , and blinds ...
Página 23
... passes from one mirror to the other . The position of the movable mirror is also shown in the positions it has at summer and winter solstices . # FIRST EXPERIMENT WITH THE HELIOSTAT . Choose a bright THE SOURCES OF LIGHT . 23.
... passes from one mirror to the other . The position of the movable mirror is also shown in the positions it has at summer and winter solstices . # FIRST EXPERIMENT WITH THE HELIOSTAT . Choose a bright THE SOURCES OF LIGHT . 23.
Página 32
... pass . C is the paper screen , and D is the first shadow made on the screen when it was 24 inches from the lamp . E is the second shadow made on the screen when it was 36 inches from the lamp . If you lay the paper C on the tracing of ...
... pass . C is the paper screen , and D is the first shadow made on the screen when it was 24 inches from the lamp . E is the second shadow made on the screen when it was 36 inches from the lamp . If you lay the paper C on the tracing of ...
Página 42
... this position with a piece of wax , as represented in the picture . You will readily see that this experiment is the same as the last . Again we have a beam of light reflected from a mirror . The beam of incidence passes 42 LIGHT .
... this position with a piece of wax , as represented in the picture . You will readily see that this experiment is the same as the last . Again we have a beam of light reflected from a mirror . The beam of incidence passes 42 LIGHT .
Página 43
... passes through the postal - card at A and finds its point of incidence on the mirror , and the beam of reflection extends from the point of incidence to the second card at B. Take a sheet of stiff paper 10 inches ( 25.4 centi- metres ) ...
... passes through the postal - card at A and finds its point of incidence on the mirror , and the beam of reflection extends from the point of incidence to the second card at B. Take a sheet of stiff paper 10 inches ( 25.4 centi- metres ) ...
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