The energy required to excite an electron from n = 1 to n = 2 is given by ΔE = 13.6 [1/1² - 1/2²] eV. What is ΔE?
Q1. The energy required to excite an electron from n = 1 to n = 2 is given by ΔE = 13.6 [1/1² - 1/2²] eV. What is ΔE?
Answer: 10.2 eV
Explanation: ΔE = 13.6 [1 - 1/4] = 13.6 * (3/4) = 10.2 eV.