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. \[3.72\times {{10}^{-34}}J\ \sec \]


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