问一道SAT2物理,If the particles all have the same velocity,which
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问一道SAT2物理,
If the particles all have the same velocity,which is deflected the most?
(A) Proton
(B) Electron
(C) Neutron
(D) Alpha particle
(E) Positron
为什么答案选E啊,根据如图推算不是应该选B吗?
写错了
答案是D但我觉得是B
另外,点击图片可以放大,应该可以看得很清楚
If the particles all have the same velocity,which is deflected the most?
(A) Proton
(B) Electron
(C) Neutron
(D) Alpha particle
(E) Positron
为什么答案选E啊,根据如图推算不是应该选B吗?
写错了
答案是D但我觉得是B
另外,点击图片可以放大,应该可以看得很清楚
人家问的就是偏转半径最大的吧:
R=mV/qB ,V/B相等,m/q越大,半径越大,当然是D a粒子
R=mV/qB ,V/B相等,m/q越大,半径越大,当然是D a粒子
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