Two spheres of the same material have radii 1 m and 4 m and temperatures 4000 K and 2000…
Physics · JEE Main · NTA Exams — Thermodynamics
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
- 1 : 1
- 16 : 1
- 4 : 1
- 1 : 9
Answer
(A) 1 : 1
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