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Show that the first few frequencies of l...

Show that the first few frequencies of light that are emitted when electrons falls to the nth level form levels higher than n, are approximate harmonics (i.e., in the ratio 1 : 2: 3...) when `n gt gt 1`.

A

`1:2:3…..ngt1`

B

`1:3,5:…ngt1`

C

`1:2!:3!.....ngt1`

D

`1:2^(2):3^(2)…..ngt1`

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A
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