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4. Calculate the energy and frequency of light emitted by a helium atom as an electron moves from the n=5 level to the n=2 le
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Answer #1

- щојxЬl oo o – 6 t № 1, 91x 13-715 - 6 5(щ 491xt х = 60 һуиэ һу əч з - и онх 13 •21h = ? (6) 1x L-1b *Р (c) 2xt-b = a = и”,1) & Energy E=ho E = 6-62х явчхо-00104 x 16 Е- о-оч16 x165 Е- 49 -6x105

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