## Philosophical MagazineTaylor & Francis, 1913 - Physics |

### From inside the book

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Page 107

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**zero**and the mean - square - of - deviation , 8.25 . Thus , whereas the modulus is 4.062 , there ought to be half the total number of observations between the limits +1.94 ( = 4769 modulus ) ; and four - fifths of the total number , say ...Page 249

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**zero**value . An enumeration is given in Table III . of the various changes that take place in the metals and in ...**zero**, and E2 , E , first grow from**zero**to a small value and then return to**zero**. The magnitude of the effect Phil ...Page 532

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**zero**. Of course x , y , z , and u are initially**zero**; i P ¿ = ƒ , y = { ƒ , ż = 0 , ù = 0 ; N ; = 0 , ï = 0 , ÿ = M2 - Nn ( P + R + W . P + Q M .. = y ; NY ; finally , g = ( R + S ) u - Sÿ , which in general is not**zero**, so that as a ...### 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