When the excited electron of a H atom from n 5 drops to... | null (Chemistry) | DivineJEE

Exam

Chemistry

When the excited electron of a H atom from n = 5 drops to the ground state, the maximum number of emission lines observed are _____________.

Correct Answer:

Maximum number of emission lines

=\frac{\left(n_{2}-n_{1}\right)\left(n_{2}-n_{1}+1\right)}{2}

\begin{aligned} &\mathrm{n}_{2}=5 \\ &\mathrm{n}_{1}=1 \\ &\Rightarrow \frac{(5-1)(5-1+1)}{2}=10 \end{aligned}

Hence maximum number of emission lines observed are

10 .

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