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 |
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Página 4
... object , he had invented the simplest and cheapest apparatus , and he and his scientific friends had been satisfied with their performance . It remained to describe these instruments and the ways of using them . He found , however ...
... object , he had invented the simplest and cheapest apparatus , and he and his scientific friends had been satisfied with their performance . It remained to describe these instruments and the ways of using them . He found , however ...
Página 54
... and things about us . The light of the sun or a lamp falls upon them , and is reflected into our eyes , and we say we see the objects . Very few things re- flect light so brightly that we obtain from them a 54 LIGHT .
... and things about us . The light of the sun or a lamp falls upon them , and is reflected into our eyes , and we say we see the objects . Very few things re- flect light so brightly that we obtain from them a 54 LIGHT .
Página 55
... objects with ease , and to readily see all their parts . The clouds , the water , the grass , rocks , the ground , buildings , the walls inside , clothing and furniture , and everything we can see , reflect light in every direction ...
... objects with ease , and to readily see all their parts . The clouds , the water , the grass , rocks , the ground , buildings , the walls inside , clothing and furniture , and everything we can see , reflect light in every direction ...
Página 59
... objects , like porce- lain or oiled paper , do not permit all the light to pass , and such things , we say , are semitransparent or translucent . Many other things do not permit light to pass through them , and cast shadows behind them ...
... objects , like porce- lain or oiled paper , do not permit all the light to pass , and such things , we say , are semitransparent or translucent . Many other things do not permit light to pass through them , and cast shadows behind them ...
Página 69
... objects that reflect the light appear distorted . In some instances the refraction may pass the critical angle , and we may see the objects apparently doubled by reflection . Warm , calm days by the sea show the same thing , when ...
... objects that reflect the light appear distorted . In some instances the refraction may pass the critical angle , and we may see the objects apparently doubled by reflection . Warm , calm days by the sea show the same thing , when ...
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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