| E1 |
| 4 |
| E1 |
| 9 |
根据△E=
| hc |
| λ |
从第三能级跃迁到第二能级,
-
| E1 |
| 9 |
| E1 |
| 4 |
| hc |
| λ1 |
λ1=
| 36hc |
| 5E1 |
从第三能级跃迁到第一能级,
-
| E1 |
| 9 |
| hc |
| λ2 |
λ2=
| 9hc |
| 8E1 |
从第二能级跃迁到第一能级,
-
| E1 |
| 4 |
| hc |
| λ3 |
λ3=
| 4hc |
| 3E1 |
故C正确,A、B、D错误.
故选C.
| hc |
| E1 |
| 3hc |
| 4E1 |
| 9hc |
| 8E1 |
| 8hc |
| 9E1 |
| E1 |
| 4 |
| E1 |
| 9 |
| hc |
| λ |
| E1 |
| 9 |
| E1 |
| 4 |
| hc |
| λ1 |
| 36hc |
| 5E1 |
| E1 |
| 9 |
| hc |
| λ2 |
| 9hc |
| 8E1 |
| E1 |
| 4 |
| hc |
| λ3 |
| 4hc |
| 3E1 |