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22. Wave number, v===RG (Rydberg constant, R = 109677 cm) . -109677 (3.-) cm 2 =109677 (is) cm = 20564.4 cm cm 20564.4 cm = 486x 10 = 486x 10-m = 486 nm The colour corresponding to this wavelength is blue.

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How Rydberg constant value :109677 cm Change to -2.1810 power eighteen
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