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Bohrs Derivations

When the elec...

Question

When the electron of a hydrogen atom jumps from $n = 4$ to $n = 1$ state, the number of spectral lines emitted will be:

A

15

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B

6

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C

3

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D

4

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Solution

The correct option is B $6$
$N =$ number of lines emitted $= \frac{1}{2} n (n - 1) = \frac{1}{2} \times 4 (4 - 1) = 6$

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