Atoms

JEE Advanced · Physics · 19 past questions

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1. Q1 2026 Paper 1

   Consider a hydrogen atom with $v_k, r_k$, and $K_k$ denoting the velocity, orbital radius and kinetic energy…

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2. Q2 2025 Paper 1

   Consider an electron in the $n=3$ orbit of a hydrogen-like atom with atomic number $Z$. At absolute…

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3. Q4 2024 Paper 1

   A particle of mass $m$ is moving in a circular orbit under the influence of the central force $F(r)=-kr$…

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4. Q5 2021 Paper 1

   Which of the following statement(s) is(are) correct about the spectrum of hydrogen atom?

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5. Q6 2020 Paper 1

   A particle of mass $m$ moves in circular orbits with potential energy $V(r) = Fr$, where $F$ is a positive…

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6. Q8 2018 Paper 2

   Consider a hydrogen-like ionized atom with atomic number $Z$ with a single electron. In the emission spectrum…

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7. Q9 2017 Paper 1

   An electron in a hydrogen atom undergoes a transition from an orbit with quantum number $n_i$ to another with…

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8. Q11 2013 Paper 2

   The radius of the orbit of an electron in a Hydrogen-like atom is $4.5\,a_0$, where $a_0$ is the Bohr radius.…

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9. Q12 2011 Paper 1

   The wavelength of the first spectral line in the Balmer series of hydrogen atom is 6561 Å. The wavelength of…

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10. Q14 2010 Paper 2

    Paragraph for Questions 53 to 55.…

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11. Q15 2008 Paper 1

    Paragraph for Question Nos. 41 to 43…

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12. Q16 2008 Paper 1

    Paragraph for Question Nos. 41 to 43…

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13. Q18 2007 Paper 1

    The largest wavelength in the ultraviolet region of the hydrogen spectrum is 122 nm. The smallest wavelength…

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