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Author Question: A surface has a work function 1.70 eV and has light of wavelength 400 nm shone on it. What is the ... (Read 98 times)

debasdf

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on: Jul 29, 2018
A surface has a work function 1.70 eV and has light of wavelength 400 nm shone on it. What is the maximum speed of the photoelectrons emitted?
 
  A)
 
  1.0  106 m/s
  B)
 
  1.3  106 m/s
  C)
 
  7.0  105 m/s
  D)
 
  7.7  105 m/s
  E)
 
  3.5  106 m/s

Question 2

The maximum force that can be applied without breaking a material is called the breaking force.
 
  Indicate whether the statement is true or false


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vish98

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

C

Answer to Question 2

FALSE


debasdf

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Reply 2 on: Jul 29, 2018
Excellent

abro1885

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Reply 3 on: Yesterday
Wow, this really help

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