155 JEE Main Atomic Physics PYQs (2002–2026) with verified answers and step-by-step solutions.
This page collects every JEE Main Atomic Physics previous-year question from Physics, 2002–2026. Each links to a full solution with a verified answer key. Click any year above to narrow the list, or open a question to study its step-by-step working and then practice it on PrepSharp's CBT player.
Angular momentum of an electron in a hydrogen atom is (3h)/(π), then the energy of the electron is _______ eV.
Two electrons are moving in orbits of two hydrogen like atoms with speeds 3 × 10⁵ ~m / s and 2.5 × 10⁵ ~m / s respectiv…
Using Bohr's model, calculate the ratio of the magnetic fields generated due to the motion of the electrons in the 2ⁿd…
If an alpha particle with energy 7.7 MeV is bombarded on a thin gold foil, the closest distance from nucleus it can rea…
The smallest wavelength of Lyman series is 91 nm. The difference between the largest wavelengths of Paschen and Balmer…
In hydrogen atom spectrum, (R → Rydberg's constant ) A. the maximum wavelength of the radiation of Lyman series is (4)/…
In Rutherford's alpha-particle scattering experiment, only a few alpha particles rebound back because A. The size of go…
The energy of an electron in an orbit of the Bohr's atom is -0.04 E₀ eV where E₀ is the ground state energy. If L is th…
In the hydrogen atom, the electron makes a transition from the higher orbit (i) to a lower orbit (f). The ratio of the…
The ratio of momentum of the photons of the 1st and 2ⁿd line of Balmer series of Hydrogen atoms is α/β. The possible va…
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