本题目来源于试卷: Physics Unit22: Electromagnetic Waves,类别为 通用国际物理
[单选题]
Radiation from the Sun dp3m)j8h,u4 ob yui7x8r)y nm 6,s.vpy yahpin imv/3n ,,1zwmr8xp +reaches the Earth (above the atmosphere) at a rate of about yn,v8n 6p/ 8i),i+pvrxn wm 3 z sh1ay,rmmp.y$1350 \; W/m^{2}$. Assume that this is a single EM wave and calculate the maximum value of the magnetic field.
A. $6.7 \; mT$
B. $4.8 \; mT$
C. $3.4 \; mT$
D. $2.4 \; mT$
参考答案: C
本题详细解析:
暂无
|