JEE PHYSICS MCQ: ELECTROMAGNETIC WAVES

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

5\mathrm{\;}{\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{\;kW}{\mathrm{m}^{ - 2}}

)

View answer and explanation

Correct option: C

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

Option C (

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

) is correct because the force due to radiation pressure is calculated by dividing the power by the speed of light.

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(E)

(B)

720\;N/C