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Author Question: If the surface of our bodies is at 37C, at what wavelength does the radiation that we emit peak if ... (Read 30 times)

kfurse

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  • Posts: 590
on: Jul 29, 2018
If the surface of our bodies is at 37C, at what wavelength does the radiation that we emit peak if we behave like a blackbody? The constant in Wien's law is 0.0029 m  K.
 
  What will be an ideal response?

Question 2

A refrigerator has a coefficient of performance equal to 4.2. How much work must be done on the operating gas in the refrigerator in order to remove 250 J of heat from the interior compartment?
 
  A) 60 J
  B) 120 J
  C) 250 J
  D) 480 J
  E) 1050 J


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xiazhe

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

9.4 m

Answer to Question 2

A


kfurse

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

olderstudent

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Reply 3 on: Yesterday
Excellent

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