本题目来源于试卷: Particulate Nature of Matter B.1 Thermal Energy Transfers，类别为 IB物理学
[单选题]
A spherical object of surfaav49tjzl ) (m+hvv3 bcce are iw60*gf4vt dphzhb:xyx 6b,2a $A$ and absolute temperature $T$ can be regarded as a black body. The power of the radiation emitted from the object is $P$. What would be the power of the radiation emitted by an object with an absolute temperature of $2T$and a surface area of $\frac{A}{2}$?
A. $P$
B. $2P$
C. $4P$
D. $8P$
参考答案: D
本题详细解析:
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