Question

Two similar bodies are at temperatures ${27}^{o}C$ and ${927}^{o}C$. The heat energy radiated by them will be in ratio :

• A. $1:256$
• B. $1:64$
• C. $1:4$
• D. $1:16$

Answer 1

Answer: (A)

$1:256$

$\frac{H_1}{H_2}=\frac{T_1^4}{T_2^4}=(\frac{27+273}{927+273}{)}^4=\frac{1}{256}$