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intensity of sunlight at the top of the earth’s atmosphere
Chapter 12, Problem 1P(choose chapter or problem)
intensity of sunlight at the top of the earth’s atmosphere is approximately Mars is about 1.5 times as far from the sun as the earth. What is the approximate intensity of sunlight at the top of Mars’s atmosphere?
Questions & Answers
QUESTION:
intensity of sunlight at the top of the earth’s atmosphere is approximately Mars is about 1.5 times as far from the sun as the earth. What is the approximate intensity of sunlight at the top of Mars’s atmosphere?
ANSWER:Solution 1P Introduction The intensity of sunlight obeys inverse square law. It means that intensity varies inversely as the square of distance from the sun. Mathematically, Intensity, I 2 d Step 1: W Intensity of sunlight at the top of earth’s atmosphere, I =e1400 m 2 Let the distance of the top of earth’s atmosphere from the sun = d e Let the distance of the top of Mars’s atmosphere from the sun = d m Given that, d m = 1.5d e We need to calculate the intensity of sunlight at the top of Mars’s atmosphere. Let the value be I .m