Atoms And Nuclei Question 63
Question: The third line of Balmer series of an ion equivalent to hydrogen atom has wavelength of 108.5 nm. The ground state energy of an electron of this ion will be [RPET 1997]
Options:
A) 3.4 eV
B) 13.6 eV
C) 54.4 eV
D) 122.4 eV
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Answer:
Correct Answer: C
Solution:
For third line of Balmer series
gives
On putting values Z = 2
From