The Earth reflects approximately 38.0% of the incidentsunlight from its clouds and surface. (a) Given that theintensity of solar radiation at the top of the atmosphere is1 370 W/m2, find the radiation pressure on the Earth, inpascals, at the location where the Sun is straight overhead.(b) State how this quantity compares with normal atmosphericpressure at the Earth’s surface, which is 101 kPa.

Write the expression for pressure due to the reflected light

Answered: The Earth reflects approximately 38.0%…

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter34: Maxwell’s Equations And Electromagnetic Waves

Section: Chapter Questions

Problem 54PQ

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The Earth reflects approximately 38.0% of the incident
sunlight from its clouds and surface. (a) Given that the
intensity of solar radiation at the top of the atmosphere is
1 370 W/m², find the radiation pressure on the Earth, in
pascals, at the location where the Sun is straight overhead.
(b) State how this quantity compares with normal atmospheric
pressure at the Earth’s surface, which is 101 kPa.

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