In , electron in first Bohr orbit is excited to a level by a radiation of wavelength…
CHEMISTRY · Single correct · CBSE · Chemistry · Structure of Atom · Structure of Atom
Problem
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 ? [Main 10 April 2019 II]
(Given : h=6.63×10−34 Js; c=3×108 ms −1 )
(1) 11.4 nm
(2) 9.4 nm
(3) 12.3 nm
(4) 10.8 nm