What is the maximum wavelength of light, in nm, that is capable of knocking electrons off a platinum plate if the work function of platinum is 6.35 eV? Answer:

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Chapter1: Units, Trigonometry. And Vectors
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In a photoelectric effect experiment, the stopping potential is observed to drop from
6 V to 2 V when the wavelength of incident light is doubled.
The work function of the irradiated metal is W= 2
ev
The frequency of the light in the original setup is therefore f =
1.93e15
Hz
You should type in large numbers using exponential notation, e.g. enter 1.6 x 101 as
1.6е11
What is the maximum wavelength of light, in nm, that is capable of knocking
electrons off a platinum plate if the work function of platinum is 6.35 eV?
Answer:
Transcribed Image Text:In a photoelectric effect experiment, the stopping potential is observed to drop from 6 V to 2 V when the wavelength of incident light is doubled. The work function of the irradiated metal is W= 2 ev The frequency of the light in the original setup is therefore f = 1.93e15 Hz You should type in large numbers using exponential notation, e.g. enter 1.6 x 101 as 1.6е11 What is the maximum wavelength of light, in nm, that is capable of knocking electrons off a platinum plate if the work function of platinum is 6.35 eV? Answer:
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