Physics · 2009
NEET 2009 · Prelims · Code A · Q17
A black body at 227°C radiates heat at the rate of 7 Cals / cm^2 s. At a temperature of 727°C, the rate of heat radiated in the same units will be:
A black body at $\displaystyle 227$°C radiates heat at the rate of $\displaystyle 7 \mathrm{Cals} / \mathrm{cm}^2 \mathrm{~s}$. At a temperature of $\displaystyle 727$°C, the rate of heat radiated in the same units will be :
Official answer
(4)
$\displaystyle 112$
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NEET (UG) 2009 Physics question, with the answer from NTA’s final answer key. Where our answers come from.