The New Encyclopędia BritannicaEncyclopędia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 75
... constant ( h ) are examples of quantities that occur naturally in the mathematical formulation of certain ... fine - structure constant ( a ) is an example of a fundamental constant that can be expressed as a combination of other ...
... constant ( h ) are examples of quantities that occur naturally in the mathematical formulation of certain ... fine - structure constant ( a ) is an example of a fundamental constant that can be expressed as a combination of other ...
Page 76
... constants mentioned above and gives their uncertainties ( in ppm ) as accepted in the early 1970s . Here , 1 / a , the inverse of the fine - structure constant , is given rather than a because it is a simpler number . The fine - structure ...
... constants mentioned above and gives their uncertainties ( in ppm ) as accepted in the early 1970s . Here , 1 / a , the inverse of the fine - structure constant , is given rather than a because it is a simpler number . The fine - structure ...
Page 83
... fine - structure constant Electron charge Planck's constant e 1.60210 ( 2 ) 12 6.62559 ( 16 ) 24 +57 +91 h 10-19 coulomb 10-34 joulesecond 10-31 kg 10-26 per kilomole Electron rest mass Avogadro constant me 9.109558 ( 54 ) 6.022169 ( 40 ) ...
... fine - structure constant Electron charge Planck's constant e 1.60210 ( 2 ) 12 6.62559 ( 16 ) 24 +57 +91 h 10-19 coulomb 10-34 joulesecond 10-31 kg 10-26 per kilomole Electron rest mass Avogadro constant me 9.109558 ( 54 ) 6.022169 ( 40 ) ...
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activity American animals appear areas authority become body called cause cells central century charge common complex conservation consists constant constitution consumer contain continental continued copper cosmic rays countries court crime criminal Crusade direct early effect electron elements energy England established Europe evidence example exist fact field force ground groups House important increase individual industrial involved Italy known land later less letters limited living major material means measure ment metal natural occur organic original particles particular party percent period person play political population position present problems protection reefs region remains result rule social South species structure theory tion United usually various