Two spheres of the same material have radii $1 m$ and $4 m$ and temperatures $4000 K$ and $2000 K$ respectively. The ratio of the energy radiated per second by the first sphere to that by the second is
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A
Solution:
Energy radiated $α R^{2} T^{4}$

Question

Two spheres of the same material have radii 1 m and 4 m and temperatures 4000 K and 2000 K respectively. The ratio of the energy radiated per second by the first sphere to that by the second is

TestHub · Accepted Answer

Energy radiated α R 2 T 4

Physics - Heat & Thermo Question with Solution | TestHub

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