Physics Unit22: Electromagnetic Waves (id: 98f3aaa79)

本题目来源于试卷: Physics Unit22: Electromagnetic Waves，类别为 通用国际物理

[单选题]
The strength of both ;acj/juj1 7(jrn5tyo;qpg , zthe electric and magnetic fields ii.jjn1lol9xp24get f,a-q4 mn the radiation field are found to decrease p4q,in19tl4ef- gxamjo. j2 lwith distance as

A. $1/r$
B. $1/r^2$
C. $1/r^3$
D. $1/r^4$


参考答案:  A


本题详细解析: 暂无

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