Question
Question: The kinetic energy of electron in the first Bohr orbit of the hydrogen atom is....
The kinetic energy of electron in the first Bohr orbit of the hydrogen atom is.
A
– 6.5 eV
B
– 27.2 eV
C
13.6 eV
D
– 13.6 eV
Answer
13.6 eV
Explanation
Solution
K.E. = – (Total energy) = – (–13.6 eV) = + 13.6 eV