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01/10/2020 11:04 am
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In Bohr series of lines of hydrogen spectrum, the third line from the red end corresponds to which one of the following inter-orbit jumps of the electron for Bohr orbits in an atom of hydrogen
(a) 5 → 2
(b) 4 → 1
(c) 2 → 5
(d) 3 → 2
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01/10/2020 11:06 am
(a) 5 → 2
Explanation:
The lines falling in the visible region comprise Balmer series. Hence the third line would be
n1 = 2, n2 = 5 i.e. 5 → 2