本题目来源于试卷: Physics Unit22: Electromagnetic Waves，类别为 国际高中通用物理
[单选题]
Radiation from the Sun u2+h5at9, msrjyw7j o;i/ fl kreaches the Earth (above thew orelqi9- npg+gslqh.: j+(jxf4/ u2 atmosphere) at a rate of abousfrl q(/ wu+neh 9xgol.:gjq-4i+ jp2t $1350 \; W/m^{2}$. Assume that this is a single EM wave and calculate the maximum value of the electric field.
A. 0.71 kV/m
B. 1.0 kV/m
C. 1.4 kV/m
D. 2.0 kV/m
参考答案: B
本题详细解析:
暂无
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