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Author Question: If the longest wavelength of light that is able to dislodge electrons from a metal is 373 nm, what ... (Read 87 times)

Garrulous

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on: Jul 29, 2018
If the longest wavelength of light that is able to dislodge electrons from a metal is 373 nm, what is the work function of that metal, in electron-volts? (1 eV = 1.60  10-19 J, c = 3.00  108 m/s, h = 6.626  10-34 J  s)
 
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Question 2

How many nucleons would you expect a nucleus to contain if its diameter is 13.4 fm?
 
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hugthug12

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Reply #1 on: Jul 29, 2018
Answer to Question 1

3.33 eV

Answer to Question 2

174


Garrulous

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Reply #2 on: Jul 29, 2018
Thank you!


hugthug12

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Reply #3 on: Jul 29, 2018
Always glad to help...


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