Two sphere made of same material have radii in the ratio 2: 1. If both the spheres are at same temperature, then what is the ratio of heat radiation energy emitted per second by them ? (a) 1:4 (b) 4:1 (c) 3:4 (d) 4:3

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Two sphere made of same material have
radii in the ratio 2: 1. If both the spheres are at
same temperature, then what is the ratio of heat
radiation energy emitted per second by them ?
(a) 1:4 (b) 4:1
(c) 3:4 (d) 4:3
Transcribed Image Text:Two sphere made of same material have radii in the ratio 2: 1. If both the spheres are at same temperature, then what is the ratio of heat radiation energy emitted per second by them ? (a) 1:4 (b) 4:1 (c) 3:4 (d) 4:3
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