MODERN PHYSICS_JEE Main 2022_280722_{S2} - Competishun – Live JEE & NEET Courses and Exam Prep

JEE MAIN 2022

28-07-2022 S2

Question

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

Select the correct option:

(A) $25.92 \times 10^2 \mathrm{~W} / \mathrm{cm}^2$

$8.64 \times 10^{-6} \mathrm{~W} / \mathrm{cm}^2$

$6.0 \mathrm{~W} / \mathrm{cm}^2$

$0.06 \mathrm{~W} / \mathrm{cm}^2$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Physics

Medium

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