1.

Amount of heat energy radiated by unit surface of the sun in the same time workout as

A.
B. E = π R<sup>2</sup> S/4 π R<sup>2</sup>
C. E = 4 π R<sup>2</sup> S/4 π R<sup>2</sup>
Answer» C. E = 4 ‚âà√¨‚àö√ë R<sup>2</sup> S/4 ‚âà√¨‚àö√ë R<sup>2</sup>


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