What is the total amount of energy coming from the Sun (in watts per square mete
ID: 159578 • Letter: W
Question
What is the total amount of energy coming from the Sun (in watts per square meter)?
A. 168
195
342
452
The Sun is approximately 6000° K at the surface and has an energy distribution that peaks at visible wavelengths. Earth’s surface is much cooler at about 288° K. What type of light does Earth’s surface primarily give off?
Ultraviolet, because Earth’s surface must peak at wavelengths that are longer than visible (corresponding to cooler temperatures).
Ultraviolet, because Earth’s surface must peak at wavelengths that are shorter than visible (corresponding to warmer temperatures).
Infrared, because Earth’s surface must peak at wavelengths that are longer than visible (corresponding to cooler temperatures).
Infrared, because Earth’s surface must peak at wavelengths that are shorter than visible (corresponding to warmer temperatures)
A. 168
B,195
C.342
D.452
Explanation / Answer
What is the total amount of energy coming from the Sun (in watts per square mete
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