Physics · 2020
NEET 2020 · 13 September · Code E1 · Q150
Light with an average flux of 20 W / cm^2 falls on a non-reflecting surface at normal incidence having surface area 20 cm^2. The energy received by…
Light with an average flux of $\displaystyle 20 \mathrm{~W} / \mathrm{cm}^2$ falls on a non-reflecting surface at normal incidence having surface area $\displaystyle 20 \mathrm{~cm}^2$. The energy received by the surface during time span of $\displaystyle 1$ minute is :
Official answer
From NTA’s final answer key for this paper.
(3)
$\displaystyle 24 \times 10^3 \mathrm{~J}$
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NEET (UG) 2020 Physics question, with the answer from NTA’s final answer key. Where our answers come from.