A.若EF、GH板之间加电压,两板间对应轨迹O3~O4段的电场强度大小为 |
B.若EF、GH板之间加电压,粒子打在K点的速度为 |
C.若EF、GH两板之间加磁场,磁场一定不是匀强磁场 |
D.若MN、PQ两板之间加垂直纸面向里的匀强磁场,粒子到达PQ时将打在K点左侧 |
同类型试题
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2