Question

The electron in the $n^{th}$ orbit of $Li^{2+}$ is excited to $(n + 1)$ orbit using the radiation of energy $1.47 × 10^{–1}J$ (as shown in the diagrarn). The value of n is ______ .
Given: $R_H = 2.18 × 10^{–18} J$.

Answer 1

The answer is 1.