

MCQOPTIONS
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1. |
The total amount of heat energy received by the sphere of radius r is |
A. | 2 π R<sup>2</sup> S |
B. | 6 π R<sup>2</sup> S |
C. | 4 π R<sup>2</sup> S |
D. | π R<sup>2</sup> S |
Answer» D. ‚âà√¨‚àö√ë R<sup>2</sup> S | |