body radiates energy $5W$ at a temperature of ${127^o}C$. If the temperature is increased to ${927^o}C$, then it radiates energy at the rate of ...... $W$
A$410$
B$81$
C$405$
D$200$
Medium
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C$405$
c (c) Rate of energy $\frac{Q}{t} = P = A\varepsilon \sigma {T^4}$
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