Structure of Atom - Result Question 13

####13. According to the Bohr Theory, which of the following transitions in the hydrogen atom will give rise to the least energetic photon?

[2011 M]

(a) n=6 to n=1

(b) n=5 to n=4

(c) n=6 to n=5

(d) n=5 to n=3

Show Answer

Solution:

  1. (c) Energy of photon obtained from the transition n=6 to n=5 will have least energy.

ΔE=13.6Z2(1n12−1n22)

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