Question

According to bohr's theory, which transition in hydrogen atom will give rise to least energetic photon ?

Answer 1

 Energy levels are inverse proportion to the square of n. Thus the least energetic photon would be when the difference between the energy levels is least. This would be when the difference is only 1 level of n. However, highr the n, lower the energy. Thus the energy from 6 to 5 would be the leas En = (-2.18 x 10-18 J)(1/n2)t

Answer 2

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