Philosophical MagazineTaylor & Francis., 1898 - Physics |
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Page 2
general discussion of Fraunhofer's diffraction - phenomena of a circular aperture for a finite source of light , and show how the intensity of illumination in the focal plane can be mechanically evaluated for a luminous source having ...
general discussion of Fraunhofer's diffraction - phenomena of a circular aperture for a finite source of light , and show how the intensity of illumination in the focal plane can be mechanically evaluated for a luminous source having ...
Page 101
The electric light acts , thereforo , like sunlight , but with greater energy by reason of its greater intensity on account of the position of the bodies ; and it is capable of making bodies acquire phosphorescence which did not ...
The electric light acts , thereforo , like sunlight , but with greater energy by reason of its greater intensity on account of the position of the bodies ; and it is capable of making bodies acquire phosphorescence which did not ...
Page 191
That is to say , the light which fell on the mercury surface was rendered parallel before incidence , and only that light which was reflected in a parallel beam was allowed to fall on the sensitive plate . But in order more faithfully ...
That is to say , the light which fell on the mercury surface was rendered parallel before incidence , and only that light which was reflected in a parallel beam was allowed to fall on the sensitive plate . But in order more faithfully ...
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Contents
m FIFTH SERIES | 1 |
Mr W Sutherland on the Relative Motion of the Earth | 23 |
F Brush on the Transmission of Radiant Heat | 31 |
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adjusted apparatus appear apply approximately bars becomes bulb calculated cell centre charge circuit coil compared conductivity considerable constant containing cooling copper correction corresponding curve described determined direction distance effect electric equal equation error experiments expression field force gases give given glass greater heat Hence hydrogen increase inductances integral intensity length less light lines liquid magnetic means measured mercury metal method minutes motion nature nearly negative object observed obtained ordinary passing Phil placed plane plate positive possible potential practically present pressure produced range rays represented resistance respectively scale seen shown side similar simple solution standard substitutions suppose surface taken temperature theory thermometer thickness tube variation vary vertical volume waves wire zero zinc