According to question 12.1=13.6(l21−n21)⇒n2=1.513.6=9⇒n=3 Number of spectral lines emitted =2n(n−1)=23×2=3
Ionization potential of hydrogen atom is 13.6 eV. Hydrogen atoms in the ground state are excited by monochromatic radiation of photon energy 12.1 eV.…
NEET UG 2006 — Physics Modern Physics
2006mcqhard
Ionization potential of hydrogen atom is 13.6eV. Hydrogen atoms in the ground state are excited by monochromatic radiation of photon energy 12.1eV. According to Bohr's theory, the spectral lines emitted by hydrogen will be:
Official previous-year question
Held on 30 Apr 2006 · Verified 9 Jul 2026.
Options
- A
one
- B
two
- C
three
- D
four
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