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Author Question: The seeing ability or resolution of radiation is determined by its wavelength. If an atom is ... (Read 29 times)

newbem

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on: Jul 28, 2018
The seeing ability or resolution of radiation is determined by its wavelength. If an atom is approximately 10-10 m in diameter, how fast must an electron travel to have a wavelength smaller than the size of an atom?

Question 2

If a rubidium surface is irradiated with blue light of wavelength 450.0 nm, what is the kinetic energy of the electrons emitted? (The work function for rubidium is f = 2.09 eV.)


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todom5090

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Reply #1 on: Jul 28, 2018
Answer to Question 1

7.3  106 m/s

Answer to Question 2

0.67 eV


newbem

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Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

parshano

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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