Saved Bookmarks
| 1. |
What is the energy (in eV) required to excite the electron from n=1 to n=2 state in hydrogen atom ? (n=principal quantum number ) |
|
Answer» 13.6 `E_2-E_1=13.6(1/n_2^2-1/n_1^2)` or , `DeltaE=13.6(1/n_1^2-1/n_2^2) =13.6(1-1/4) =10.2 EV` |
|