A double charged lithium atom is equivalent to hydrogen whose atomic n – McqOptions

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1.	A double charged lithium atom is equivalent to hydrogen whose atomic number is 3. The wavelength of required radiation for emitting electron from first to third Bohr orbit in \[L{{i}^{++}}\] will be (Ionisation energy of hydrogen atom is 13.6eV) [UPSEAT 1999]
A.	182.51 Å
B.	177.17 Å
C.	142.25 Å
D.	113.74 Å
Answer» E.

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