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10/01/2022 12:06 pm
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X different wavelengths may be observed in the spectrum from a hydrogen sample if the atoms are exited to states with principal quantum number n = 6? The value of X is _______.
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10/01/2022 12:08 pm
No. of different wavelengths = \(\frac{n(n-1)}{2}\)
= \(\frac{6 \times (6-1)}{2}\)
= \(\frac{6 \times 5}{2}\) = 15