Particulate Nature of Matter B.1 Thermal Energy Transfers (id: cead18006)

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]
An object has a surfacup,cfls9k(tei(6 y odi ,( *jle area ok8(f8ziz6qysj7b:1x (ne .walzl h/if $2.0\,m^2$ and emissivity $e=0.5$. The object emits electromagnetic radiation of peak wavelength $2.90\times10^{−5}\,m$. What is the best estimate for the energy radiated by the object in one second?

A. 1.4J
B. 2.8J
C. 5.7J
D. 11.3J


参考答案:  C


本题详细解析:

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