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Author Question: Give the Kelvin-Planck statement of the Second Law of Thermodynamics. What will be an ideal ... (Read 59 times)

tfester

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on: Jul 29, 2018
Give the Kelvin-Planck statement of the Second Law of Thermodynamics.
 
  What will be an ideal response?

Question 2

Estimate the observed wavelength for the 656 nm line in the spectrum of a star which is 100 million light-years from us.
 
  A)
 
  653 nm
  B)
 
  659 nm
  C)
 
  661 nm
  D)
 
  677 nm
  E)
 
  692 nm


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vickybb89

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

No device is possible whose sole effect is to transform a given amount of heat completely into work.

Answer to Question 2

C


tfester

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

yeungji

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Reply 3 on: Yesterday
:D TYSM

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