Photo-Electricity: the Liberation of Electrons By Light, With Chapters On ...
Photo-Electricity: the Liberation of Electrons By Light, With Chapters On ...
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In our eReader you can find the full English version of the book. Read Photo-Electricity: the Liberation of Electrons By Light, With Chapters On ... Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Photo-Electricity: the Liberation of Electrons By Light, With Chapters On ...
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To quickly assess the difficulty of the text, read a short excerpt:
I. Is Light the Active Agent in producing Fatigue? — ^We have seen that in the early literature of the subject fatigue was often attributed to the direct action of the Ught.
L Digitized by Google l62 PHOTO-ELECTRICITY Kreusler,* who was the first to investigate fatigue effects systematically, expressly states that the fatigue depends on an action of the ultra-violet light on the surface of the kathode.
This is shown by the following experiment. The photo- electric current with a potential of 33...20 volts was measured several times in succession, using a kathode of freshly-poUshed zinc. Between two measurements the kathode remained in connection with the earth — that is, at zero potential. During this interval it was either illuminated for several minutes or shielded from the Ught (a 2 mm. spark between Al terminals).
The following table illustrates the results : Initial ....
After 8 minutes in darkness After 5 minutes in light .
After 6 minutes in darkness After 5 minutes in light .
What to read after Photo-Electricity: the Liberation of Electrons By Light, With Chapters On ...?
You can find similar books in the "Read Also" column, or choose other free books by Herbert Stanley Allen to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
I. Is Light the Active Agent in producing Fatigue? — ^We have seen that in the early literature of the subject fatigue was often attributed to the direct action of the Ught.
L Digitized by Google l62 PHOTO-ELECTRICITY Kreusler,* who was the first to investigate fatigue effects systematically, expressly states that the fatigue depends on an action of the ultra-violet light on the surface of the kathode.
This is shown by the following experiment. The photo- electric current with a potential of 33...20 volts was measured several times in succession, using a kathode of freshly-poUshed zinc. Between two measurements the kathode remained in connection with the earth — that is, at zero potential. During this interval it was either illuminated for several minutes or shielded from the Ught (a 2 mm. spark between Al terminals).
The following table illustrates the results : Initial ....
After 8 minutes in darkness After 5 minutes in light .
After 6 minutes in darkness After 5 minutes in light .
What to read after Photo-Electricity: the Liberation of Electrons By Light, With Chapters On ...?
You can find similar books in the "Read Also" column, or choose other free books by Herbert Stanley Allen to read onlineMoreLess
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