

MCQOPTIONS
Saved Bookmarks
1. |
Energy of an electron in an excited hydrogen atom is - 3.4 eV. Its angular momentum will be: \[h=6.626\times {{10}^{-34}}J-s\] |
A. | \[1.11\times {{10}^{34}}J\ \sec \] |
B. | \[1.51\times {{10}^{-31}}J\ \sec \] |
C. | \[2.11\times {{10}^{-34}}J\ \sec \] |
D. | \[3.72\times {{10}^{-34}}J\ \sec \] |
Answer» D. \[3.72\times {{10}^{-34}}J\ \sec \] | |