The distance between Planet X and a star is 1.8 x 1011 m. At the surface of Planet X, the average intensity of the radiation from the star is 13440 W/m2. If the star radiates isotropically, which of the following is the average power of the star?a. 7.64 x 1024 Wb. 5.47 x 1027 Wc. 9.69 x 1026 Wd.4.95 x 1028 W

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Answered: The distance between Planet X and a…

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 40PQ

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The distance between Planet X and a star is 1.8 x 10¹¹ m. At the surface of Planet X, the average intensity of the radiation from the star is 13440 W/m². If the star radiates isotropically, which of the following is the average power of the star?

a. 7.64 x 10²⁴ W

b. 5.47 x 10²⁷ W

c. 9.69 x 10²⁶ W

d.4.95 x 10²⁸ W

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