Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3766Chemical news office., 1932 |
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Strona 402
... light is produced in a Crookes tube , now let us visualize what happens when light strikes matter . When a light wave ог quantum approaches an atom ( Fig . B1 ) and is absorbed ( Fig . B2 ) the atom has become excited , that is the ...
... light is produced in a Crookes tube , now let us visualize what happens when light strikes matter . When a light wave ог quantum approaches an atom ( Fig . B1 ) and is absorbed ( Fig . B2 ) the atom has become excited , that is the ...
Strona 403
... light of a somewhat lower frequency is emitted , generally in the visual range , and we say the substance possesses fluorescence ( Fig . B4 ) . We might have puzzled why certain chemical reactions proceed in the light which would not ...
... light of a somewhat lower frequency is emitted , generally in the visual range , and we say the substance possesses fluorescence ( Fig . B4 ) . We might have puzzled why certain chemical reactions proceed in the light which would not ...
Strona 404
... light , be it in the faint glow of a Crookes tube or the brilliant glare of an arc light , the greenish luminescence . of distant nebulosities indicating enor- mous masses of highly diffuse gases far out in space or the shining blaze of ...
... light , be it in the faint glow of a Crookes tube or the brilliant glare of an arc light , the greenish luminescence . of distant nebulosities indicating enor- mous masses of highly diffuse gases far out in space or the shining blaze of ...
Spis treści
MERTON HOUSE SALISBURY SQUARE LONDON E C 4 Telephone Central | 387 |
The Artificial Transmutation of Elements | 395 |
The Fourth State of MatterAn Apprecia | 400 |
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