Question
Question: Hydrogen atom is excited from n = 1 to n = 3. The energy that must be absorbed is –...
Hydrogen atom is excited from n = 1 to n = 3. The energy that must be absorbed is –
A
12.09eV
B
10.2eV
C
13.6eV
D
–12.09eV
Answer
12.09eV
Explanation
Solution
Energy absorbed in moving from n = 1 to n = 3 is
= difference between –13.6eV and –1.5eV
= 12.09 eV