氢原子的轨道为[img=45x28]180397a18a61f2d.png[/img],其角动量z分量的取值为:
A: [img=49x26]180397a193195a0.png[/img]
B: [img=10x44]180397a19b76064.png[/img]
C: [img=19x19]180397a1a35609d.png[/img]
D: [img=33x21]180397a1abf0a20.png[/img]
E: [img=33x21]180397a1b47a764.png[/img]
F: [img=49x26]180397a1bd99a2f.png[/img]
G: [img=33x21]180397a1c66cc44.png[/img]
H: [img=35x26]180397a1cec5848.png[/img]
I: [img=35x26]180397a1d781d6f.png[/img]
J: [img=19x19]180397a1e09f77b.png[/img]
A: [img=49x26]180397a193195a0.png[/img]
B: [img=10x44]180397a19b76064.png[/img]
C: [img=19x19]180397a1a35609d.png[/img]
D: [img=33x21]180397a1abf0a20.png[/img]
E: [img=33x21]180397a1b47a764.png[/img]
F: [img=49x26]180397a1bd99a2f.png[/img]
G: [img=33x21]180397a1c66cc44.png[/img]
H: [img=35x26]180397a1cec5848.png[/img]
I: [img=35x26]180397a1d781d6f.png[/img]
J: [img=19x19]180397a1e09f77b.png[/img]
举一反三
- 设随机变量X服从均值为2的指数分布,X的分布函数为F(x),数学期望为E(X),方差为D(X),则以下结果正确的是 A: [img=128x28]1802d3b369ab5fe.png[/img] B: D(X)=4 C: P(X<2︱X>1)=F(1) D: P(X>2︱X>1)= F(1) E: [img=112x27]1802d3b372fb534.png[/img] F: D(X)=E(X) G: P(X≤2︱X>1)= F(2) H: [img=82x27]1802d3b37bbbf05.png[/img]
- 设随机变量X服从均值为2的指数分布,X的分布函数为F(x),数学期望为E(X),方差为D(X),则以下结果正确的是 A: [img=128x28]18034b986fbc78a.png[/img] B: D(X)=4 C: P(X<2︱X>1)=F(1) D: P(X>2︱X>1)= F(1) E: [img=112x27]18034b98781508a.png[/img] F: D(X)=E(X) G: P(X≤2︱X>1)= F(2) H: [img=82x27]18034b9880d080a.png[/img]
- 设随机变量X服从均值为2的指数分布,X的分布函数为F(x),数学期望为E(X),方差为D(X),则以下结果正确的是 A: [img=128x28]18033e117e9725e.png[/img] B: D(X)=4 C: P(X<2︱X>1)=F(1) D: P(X>2︱X>1)= F(1) E: [img=112x27]18033e11879f263.png[/img] F: D(X)=E(X) G: P(X≤2︱X>1)= F(2) H: [img=82x27]18033e1190d2ef2.png[/img]
- 设随机变量X服从均值为2的指数分布,X的分布函数为F(x),数学期望为E(X),方差为D(X),则以下结果正确的是 A: [img=128x28]18036372a260d4c.png[/img] B: D(X)=4 C: P(X<2︱X>1)=F(1) D: P(X>2︱X>1)= F(1) E: [img=112x27]18036372aa45c90.png[/img] F: D(X)=E(X) G: P(X≤2︱X>1)= F(2) H: [img=82x27]18036372b2a31e1.png[/img]
- 设随机变量X服从均值为2的指数分布,X的分布函数为F(x),数学期望为E(X),方差为D(X),则以下结果正确的是 A: [img=128x28]18032aad1d9bd98.png[/img] B: D(X)=4 C: P(X<2︱X>1)=F(1) D: P(X>2︱X>1)= F(1) E: [img=112x27]18032aad25f3c0b.png[/img] F: D(X)=E(X) G: P(X≤2︱X>1)= F(2) H: [img=82x27]18032aad2e07f09.png[/img]