Sun light falls normally on a surface of area 36 ~cm² and exerts an average force of 7.2 × 10⁻⁹ ~N within a time period of 20 minutes. Considering a case of complete absorption, the energy flux of incident light is

Electromagnetic Waves: JEE Main 2022 Physics question

JEE Main 2022 · 28 Jul, Evening shift · Q6801

JEE Main 202228 Jul, Evening shiftPhysicsEasyElectromagnetic Waves120× since 2002

Sun light falls normally on a surface of area

36 \mathrm{~cm}^{2}

and exerts an average force of

7.2 \times 10^{-9} \mathrm{~N}

within a time period of 20 minutes. Considering a case of complete absorption, the energy flux of incident light is

JEE Main 2022 Electromagnetic Waves Question with Solution (28 Jul Evening shift, Q6801) | JEE Arc

JEE Main 2022 · 28 Jul, Evening shift · Q6801

JEE Main 202228 Jul, Evening shiftPhysicsEasyElectromagnetic Waves120× since 2002

Sun light falls normally on a surface of area

36 \mathrm{~cm}^{2}

and exerts an average force of

7.2 \times 10^{-9} \mathrm{~N}

within a time period of 20 minutes. Considering a case of complete absorption, the energy flux of incident light is