Author Question: If the surface of our bodies is at 37C, at what wavelength does the radiation that we emit peak if ... (Read 72 times)

kfurse · **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