Physics · 2014
NEET 2014 · 4 May · Code P · Q34
Light with an energy flux of 25 × 10^4 Wm^-2 falls on a perfectly reflecting surface at normal incidence. If the surface area is 15 cm^2, the average…
Light with an energy flux of $\displaystyle 25 \times 10^4 \mathrm{Wm}^{-2}$ falls on a perfectly reflecting surface at normal incidence. If the surface area is $\displaystyle 15 \mathrm{~cm}^2$, the average force exerted on the surface is :
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle 2.50 \times 10^{-6} \mathrm{~N}$
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NEET (UG) 2014 Physics question, with the answer from NTA’s final answer key. Where our answers come from.