Maurice Tutor

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Category > Management Posted 27 Feb 2018 My Price 3.00

photoelectric experiment

We perform the photoelectric experiment on a sample of tantalum, for which the barrier to electron escape from the surface (work function) is 4.2 eV. We use light of 150 nm wavelength with an intensity of 3 W/m2. (a) What is the wavelength of the fastest photoelectrons emitted? (b) How many photons per cm2? strike the tantalum surface per second? (c) What is the maximum wavelength of electromagnetic radiation capable of producing photoelectrons from tantalum?

 

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Maurice Tutor
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Status NEW Posted 27 Feb 2018 06:02 PM My Price 3.00

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