1.

In Li++, electron in first Bohr orbit is excited to a level by a radiation of wavelength λ. When the ion gets deexcited to the ground state in all possible ways (including intermediate emissions), a total of six spectral lines are observed. What is the value of λ?(Given: h = 6.63 × 10-34 Js; c = 3 × 108 ms-1)

A. 11.4 nm
B. 9.4 nm
C. 12.3 nm
D. 10.8 nm
Answer» E.


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