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  • An earth orbiting satellite has solar energy collecting panel with total area  

An earth orbiting satellite has solar energy collecting panel with total area 5 \mathrm{~m}^2. If solar radiations are perpendicular and completely absorbed, the average force associated with the radiation pressure is (Solar constant =1.4 \mathrm{kWm}^{-2})
 

Option: 1

2.33 \times 10^{-3} \mathrm{~N}


Option: 2

2.33 \times 10^{-4} \mathrm{~N}


Option: 3

2.33 \times 10^{-5} \mathrm{~N}


Option: 4

2.33 \times 10^{-6} \mathrm{~N}


Answers (1)

best_answer

\mathrm{\begin{aligned} & \text { Power }=I \times \text { area }=\left(1.4 \times 10^3\right) \times 5 \\ & \text { Force } F=\frac{\text { Power }}{c}=\frac{1.4 \times 10^3 \times 5}{3 \times 10^8} \\ & =2.33 \times 10^{-5} \mathrm{~N} \end{aligned} }

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avinash.dongre

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