Modern Physics 1 Question 55
51. A doubly ionised lithium atom is hydrogen-like with atomic number 3.
(a) Find the wavelength of the radiation required to excite the electron in
(b) How many spectral lines are observed in the emission spectrum of the above excited system?
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Answer:
Correct Answer: 51. (a)
Solution:
- Given
(a) To excite the atom from
Corresponding wavelength will be,
(b) From
