The London, Edinburgh and Dublin Philosophical Magazine and Journal of ScienceTaylor & Francis, 1928 - English periodicals |
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Page 5
... frequencies were found . Experiments on the Threshold Frequencies of Potassium . The apparatus used to investigate the existence of the positive photo - electric effect was also used to measure the threshold frequency or frequencies of ...
... frequencies were found . Experiments on the Threshold Frequencies of Potassium . The apparatus used to investigate the existence of the positive photo - electric effect was also used to measure the threshold frequency or frequencies of ...
Page 15
... frequency , while a much larger part , if not the whole surface , is excited by the higher frequency . If the whole of the surface could respond to any of two or more Photo - electric Emission from Potassium . 15.
... frequency , while a much larger part , if not the whole surface , is excited by the higher frequency . If the whole of the surface could respond to any of two or more Photo - electric Emission from Potassium . 15.
Page 36
... frequency with respect to the normal energy content ) x ( pro- portionality factor of the phase velocity in the stream with respect to the inverse of the velocity of the radiator * . ( 9 ) To throw equation ( 8 ) into the form used by ...
... frequency with respect to the normal energy content ) x ( pro- portionality factor of the phase velocity in the stream with respect to the inverse of the velocity of the radiator * . ( 9 ) To throw equation ( 8 ) into the form used by ...
Page 49
... frequency set up . It is shown that the latter really follows because , as the pressure goes up , the maximum displacement of the reed or slit wall actually diminishes with the increase in momentum . This is in con- formity with the ...
... frequency set up . It is shown that the latter really follows because , as the pressure goes up , the maximum displacement of the reed or slit wall actually diminishes with the increase in momentum . This is in con- formity with the ...
Page 66
... frequency difference ( Ka - Ka1 ) is some 8 per cent . higher than the difference ( Ka - Ka3 ) —which is , perhaps , as good a check as could be expected , considering the difficulties of the measurements . ( b ) The frequency ...
... frequency difference ( Ka - Ka1 ) is some 8 per cent . higher than the difference ( Ka - Ka3 ) —which is , perhaps , as good a check as could be expected , considering the difficulties of the measurements . ( b ) The frequency ...
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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