Johannes Stark Quotes

22 quotes in 406 categories

• The movement of the emitters of the spectral lines may be deduced on the basis of the Doppler principle.
• A beam of luminous hydrogen canal rays has, owing to its velocity, exactly the same direction as that of the electric field in which it…
• Along a series of lines running from longer to shorter wavelengths the effect of the electric field becomes greater as the serial numbers increase -…
• By allowing the positive ions to pass through an electric field and thus giving them a certain velocity, it is possible to distinguish them from…
• We can in fact first place the beam of rays of moving positive atomic ions in a plane perpendicular to the axis in which we…
• Moreover, the abundance of chemical compounds and their importance in daily life hindered the chemist from investigating the question, in what does the individuality of…
• We have learnt through experience that when an electrical ray strikes the surface of an atom, an electron, and in some circumstances a second and…
• The emitters of the spectral series are without exception single atoms, not compounds of atoms.
• It is more likely that more than a century will pass before we know the structure of the chemical atoms as thoroughly as we do…
• The question of the composition of perceptible objects is one which already occupied the mind of the ancient Greeks.
• At the head of these new discoveries and insights comes the establishment of the facts that electricity is composed of discrete particles of equal size,…
• By recognizing that the chemical atom is composed of single separable electric quanta, humanity has taken a great step forward in the investigation of the…
• For under certain conditions the chemical atoms emit light waves of a specific length or oscillation frequency - their familiar characteristic spectra - and these…
• If the experimental physicist has already done a great deal of work in this field, nevertheless the theoretical physicist has still hardly begun to evaluate…
• In my view the structure of the whole atom was that of an individual, with all its parts interconnected, and the emission of a spectral…
• Many scientists will have to contribute to the solution of the great problem; they will have to follow up and measure all those phenomena in…
• The discovery of various phenomena has led to a recognition of the fact that the chemical atom is an individual which again is itself made…
• The most common and most important result of them is that the nature and size of the effect on corresponding series of different elements are…
• With this in mind, for some twenty years I have set myself as my particular task the experimental investigation of the connexion between change in…
• An external electric field, meeting it and passing through it, affects the negative as much as the positive quanta of the atom, and pushes the…

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