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An electron in th excited state in a hydrogen atom comes down to first excited state by emitting ten different wavelengths. Find value of  (an integer)


Question ID - 154131 :-

An electron in th excited state in a hydrogen atom comes down to first excited state by emitting ten different wavelengths. Find value of  (an integer)

1 Answer
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Answer Key : (6) -

(6)

When electron jumps from  state to ground state, number of possible emission lines . But here transition takes place from  state to state

Here, number of possible emission lines  (given)

On solving,



Next Question :

The average lifetime for the  excited state of a hydrogen-like atom is  sec and that for the  state is  sec. The ratio of the average number of revolutions made in the  state of the average number of revolutions made in the  state before any transitions can take place from these states is


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