Philosophical MagazineTaylor & Francis, 1913 - Physics |
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Page 545
... Planck unit , but to N such units , N being approximately the same for all atoms , but we shall find that for values of λ as large as 2 × 10-5 there are difficulties in the assumptions necessary to insure that u is large compared with e ...
... Planck unit , but to N such units , N being approximately the same for all atoms , but we shall find that for values of λ as large as 2 × 10-5 there are difficulties in the assumptions necessary to insure that u is large compared with e ...
Page 546
... Planck unit , so that it is well fitted to represent the facts for X or y rays . Suppose , for example , we take λ ... Planck unit at all . It merely involves the idea that the electron requires a definite amount of energy to set it free ...
... Planck unit , so that it is well fitted to represent the facts for X or y rays . Suppose , for example , we take λ ... Planck unit at all . It merely involves the idea that the electron requires a definite amount of energy to set it free ...
Page 547
... Planck units necessary to free the electron , the quantity represented by E on p . 544 becomes x 10-27 . If w is the actual amount of energy equal to necessary 6.5cN λη 6.5 Nc λη × 10-27 — will be of the order of a single - Planck unit ...
... Planck units necessary to free the electron , the quantity represented by E on p . 544 becomes x 10-27 . If w is the actual amount of energy equal to necessary 6.5cN λη 6.5 Nc λη × 10-27 — will be of the order of a single - Planck unit ...
Contents
SIXTH SERIES | 1 |
Dr N Bohr on the Theory of the Decrease of Velocity | 10 |
Dr S A Shorter on the Application of the Theory | 31 |
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a-rays absorbed absorption acid activity alpha rays aluminium apparatus approximately atomic weight beam cadmium iodide calculated carbon cathode cent charge circuit coefficient collision constant corpuscles corpuscular radiation corresponding curve deflexion determined diffusion discharge electric electrometer electrons electroscope emanation emission emitted energy equation equilibrium ethyl bromide experimental experiments film foil formula frequency galvanometer gases given gives heating effect Hence hydrogen increase ionization ions J. J. Thomson magnetic maximum measured mercury metal method molecules motion negative nitrogen nuclei observed obtained oxide oxygen paper particles Phil photoelectric effect Phys Planck unit plate platinum positive potential pressure Proc produced proportional quantity radiation radium ratio rays refractivity Röntgen scattering shown solution spectrum sublimate substance surface TABLE temperature theory thickness thorium tube uranium V₁ vapour velocity vibrations volts wave-length waves wire X-rays zero