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A solar sail consists of a very light, thin plain surface which can absorb all the photons incident on it. Consider such a sail is placed at a very large distance fron the sun, noormal to the incident rays. What is the mass per unit area of the sail such that it will neither be blown away or pulled in by the sun. Given: mean distance of the earth from the sun (semi major axis) = 1.5 X 10 Km c=3 X 10 8 m/s 1 earth year = X 10 7 s. Express your answer in mg/m 2 and round it off to the nearest integer.


A solar sail consists of a very light, thin plain surface which can absorb all the photons incident on it. Consider such a sail is placed at a very large distance fron the sun, noormal to the incident rays. What is the mass per unit area of the sail such that it will neither be blown away or pulled in by the sun.
Given: 
mean distance of the earth from the sun (semi major axis) = 1.5 X 10 Km
c=3 X 108 m/s
1 earth year =  X 107 s.
Express your answer in mg/m2 and round it off to the nearest integer.
 


Grade:upto college level

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