MHT CET · Physics · Atomic Physics
If the ionisation energy for the hydrogen atom is 13.6 eV , then the energy required to excite it from the ground state to the next higher state is nearly
- A 10.2 eV
- B 13.6 eV
- C -10.2 eV
- D -3.4 eV
Answer & Solution
Correct Answer
(A) 10.2 eV
Step-by-step Solution
Detailed explanation
Minimum energy required to excite from ground state,
\(\mathrm{E}_{\min }=13.6\left[\frac{1}{1^2}-\frac{1}{2^2}\right]=10.2 \mathrm{eV}\)
\(\mathrm{E}_{\min }=13.6\left[\frac{1}{1^2}-\frac{1}{2^2}\right]=10.2 \mathrm{eV}\)
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