The London, Edinburgh and Dublin Philosophical Magazine and Journal of ScienceTaylor & Francis, 1928 - English periodicals |
From inside the book
Results 1-5 of 100
Page 1
... positive photo - electric emission from the metal will be given at the outset . Since Dember ( Ann . d . Phys . xxx . p . 142 , 1910 ) found that a cylinder surrounding a metal plate acquired a positive charge , when the plate was ...
... positive photo - electric emission from the metal will be given at the outset . Since Dember ( Ann . d . Phys . xxx . p . 142 , 1910 ) found that a cylinder surrounding a metal plate acquired a positive charge , when the plate was ...
Page 2
Experiments on the Positive Photo - electric Effect . A glass bulb ( fig . 1 ) 10 cm . in diameter , with two inlet tubes which terminated in a bottle - neck , was used . Sealed through the inverted end of the neck , as shown , was a ...
Experiments on the Positive Photo - electric Effect . A glass bulb ( fig . 1 ) 10 cm . in diameter , with two inlet tubes which terminated in a bottle - neck , was used . Sealed through the inverted end of the neck , as shown , was a ...
Page 3
... positive . The latter emission would , of course , almost disappear with constant glowing and a field helping the emission . If a positive photo - electric effect did exist , there would be positive and negative photo - electric ...
... positive . The latter emission would , of course , almost disappear with constant glowing and a field helping the emission . If a positive photo - electric effect did exist , there would be positive and negative photo - electric ...
Page 4
... positive photo - electric current is emitted from the potassium - at any rate , when those particular wave - lengths are employed . The sensitivity of the electrometer was such that with 120 volts on the needle and a potential ...
... positive photo - electric current is emitted from the potassium - at any rate , when those particular wave - lengths are employed . The sensitivity of the electrometer was such that with 120 volts on the needle and a potential ...
Page 5
... positive photo - electric effect does occur , it is at least a thousand times smaller than the current which Dember attributed to the emission of positive ions by photo - electric action . The Threshold Frequencies of Potassium ...
... positive photo - electric effect does occur , it is at least a thousand times smaller than the current which Dember attributed to the emission of positive ions by photo - electric action . The Threshold Frequencies of Potassium ...
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Common terms and phrases
absorption aluminium apparatus approximately atomic number atomic weight axis B₁ Balmer series bands beam calculated calorimeter carbon cathode cent chamber coefficient coil colour corresponding cosh crystal curve d₁ deflexion determined diamagnetic diffusion discharge doublet effect electric electrolytes electrometer electrons electroscope energy equation excited experimental experiments fibre filter finite flux-density forbidden line formula fraction frequency function galvanometer gases given gives glass heat hydrogen increase indicated intensity ionization ionization chamber ions K₁ layer liquid magnetic maximum measurements mercury metal method molecules nitrogen observed obtained oscillator particles Phil photo-electric Phys plane plate potassium potential pressure problem Proc radiation radon ratio reflexion resistance salts satellites Schwarz theorem sensitivity shows sinh slit slot sn² solution spectrum surface Table temperature theory tube values vapour variation velocity viscosity voltage volts wave-length width X-ray y-rays zero