NEET 2011 Chemistry question

Chemistry Structure of Atom NEET 2011

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

(1)n = 6 to n = 1
(2)n = 5 to n = 4
(3)n = 6 to n = 5Correct
(4)n = 5 to n = 3

Answer: (3)

Solution

Energy of the emitted photon: with for hydrogen. (1) 6 to 1: eV (2) 5 to 4: $13.6(1/16 - 1/25) =

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Question ID VK-090666