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The intensity of sunlight hitting the earth is about 1300
Chapter 9, Problem 10P(choose chapter or problem)
Problem 10P
The intensity of sunlight hitting the earth is about 1300 W/m2. If sunlight strikes a perfect absorber, what pressure does it exert? How about a perfect reflector? What fraction of atmospheric pressure does this amount to?
Questions & Answers
QUESTION:
Problem 10P
The intensity of sunlight hitting the earth is about 1300 W/m2. If sunlight strikes a perfect absorber, what pressure does it exert? How about a perfect reflector? What fraction of atmospheric pressure does this amount to?
ANSWER:
Solution 10P
Step 1 of 3:
We need to find out the exerted pressure when sunlight strikes a perfect absorber, and in a perfect reflector. In which the intensity of the incident light is .
Pressure exerted by the sunlight,
Where is the intensity of the light.
is the velocity of the light.