Atoms & Nuclei

JEE Main level, single correct, medium

103 of 239

Question 103 of 239

A hydrogen atom in ground state is given an energy of 10.2eV10.2 \mathrm{eV}. How many spectral lines will be emitted due to transition of electrons?

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Answer: (D) 1

Hydrogen will be in first excited state therefore it will emit one spectral line corresponding to transition b/w energy level 2 to 1

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