Question
In a photoelectric-effect experiment it is observed that no current flows unless the wavelength is less...
In a photoelectric-effect experiment it is observed that no current flows unless the wavelength is less than 490 nm .
What is the work function of this material?
Express your answer using two significant figures.
|
|
||||
| W0 = |
|
eV |
What is the stopping voltage required if light of wavelength 420 nm is used?
Express your answer using two significant figures.
|
|
||||
| V0 = |
|
V |
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In a photoelectric-effect experiment it is observed that no current flows unless the wavelength is less...
In a photoelectric-effect experiment it is observed that no
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Express your answer using two significant figures. W0
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Express your answer using two significant figures.
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