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Author Question: A puddle of water has a thin film of gasoline floating on it. A beam of light is shining ... (Read 109 times)

Alygatorr01285

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A puddle of water has a thin film of gasoline floating on it. A beam of light is shining perpendicular on the film. If the wavelength of light incident on the film is 560 nm
 
  and the indices of refraction of gasoline and water are 1.40 and 1.33, respectively, what is the minimum thickness of the film to see a bright reflection?
  A)
 
  100 nm
  B)
 
  200 nm
  C)
 
  300 nm
  D)
 
  400 nm
  E)
 
  500 nm

Question 2

During an isothermal process, 5.0 J of heat is removed from an ideal gas. What is the work done in the process?
 
  A)
 
  zero
  B)
 
  2.0 J
  C)
 
  5.0 J
  D)
 
  -5.0 J
  E)
 
  none of the above



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katkat_flores

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Answer to Question 1

A

Answer to Question 2

D




Alygatorr01285

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Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it


Dominic

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

 

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