The temperatures of two bodies $A$ and $B$ are respectively $727℃$ and $327℃$. The ratio $H_{A}:H_{B}$ of the rates of heat radiated by them is

Question

Dr. Abubacker · Accepted Answer

(d) $Q \propto T^{4} \Rightarrow \frac{H_{A}}{H_{B}} = \left( \frac{273 + 727}{273 + 327} \right)^{4} = \left( \frac{10}{6} \right)^{4} = \left( \frac{5}{3} \right)^{4} = \frac{625}{81}$

Q. The temperatures of two bodies $A$ and $B$ are respectively $727℃$ and $327℃$. The ratio $H_{A}:H_{B}$ of the rates of heat radiated by them is

Explanation

Reviewed by Dr. Abubacker

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