Atoms

JEE Advanced · Physics · 19 past questions

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1. Q3 2025 Paper 2

   A hydrogen atom, initially at rest in its ground state, absorbs a photon of frequency $\nu_1$ and ejects the…

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2. Q7 2019 Paper 2

   A free hydrogen atom after absorbing a photon of wavelength $\lambda_a$ gets excited from the state $n=1$ to…

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3. Q10 2016 Paper 1

   A hydrogen atom in its ground state is irradiated by light of wavelength 970 Å. Taking…

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