An electron in the hydrogen atom jumps from excited state n to the ground state. The…
Physics · NEET · NTA Exams — Atoms and Nuclei
An electron in the hydrogen atom jumps from excited state n to the ground state. The wavelength so emitted illuminates a photosensitive material having work function 2.75 eV. If the stopping potential of the photoelectron is 10 V, the value of n is:
- 3
- 4
- 5
- 2
Answer
(B) 4
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