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43. The wavelength of a certain line in Balmer series is observed to be 4341 A. To what value of'n' does this corres(RH 109678 cm1)A)4D) 2в) з |
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Answer» Balmer series end with n = 2 so, 1/4341×10^-7 = 109678(1/2²-1/n²)=> 0.021 = 1/4 -1/n²=> 0.021 = 0.25 -1/n²=> 1/n² = 0.229=> n² = 4.33=> n > √4.33 > 2 answer is n = 3 |
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