Chemical News and Journal of Industrial Science, Tomy 137-138Chemical news office., 1928 |
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... light that falls from within meets that which comes from an external object . And , everything being affected by ... light ? Setting aside this incomprehensibility , we can then assume with Plato a threefold emission : that from the ...
... light that falls from within meets that which comes from an external object . And , everything being affected by ... light ? Setting aside this incomprehensibility , we can then assume with Plato a threefold emission : that from the ...
Strona 1
... LIGHT AND A GLANCE AT THE PRESENT - DAY LIGHT PROBLEMS . By DR . W. TOMBROCK . Pythagoras , Plato , Aristotle . Roughly speaking we know of two types of theories of light , that of Newton : light and sight are caused by emitted ...
... LIGHT AND A GLANCE AT THE PRESENT - DAY LIGHT PROBLEMS . By DR . W. TOMBROCK . Pythagoras , Plato , Aristotle . Roughly speaking we know of two types of theories of light , that of Newton : light and sight are caused by emitted ...
Strona 155
... light falls upon a fluorescent substance the fluorescent light evoked is always of longer wave - lengths than the exciting light ; in other words , its frequency is less . Now , if a given corpuscular theory of light is to be adopted ...
... light falls upon a fluorescent substance the fluorescent light evoked is always of longer wave - lengths than the exciting light ; in other words , its frequency is less . Now , if a given corpuscular theory of light is to be adopted ...
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