23 JEE Main 2024 Atomic Physics previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2024 previous-year questions from the Atomic Physics chapter of Physics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Atomic Physics chapter hub.
When a hydrogen atom going from n = 2 to n = 1 emits a photon, its recoil speed is x 5 m s - 1 . Where x = _______. (Us…
A hydrogen atom in ground state is given an energy of 10.2 eV. How many spectral lines will be emitted due to transitio…
The ratio of the shortest wavelength of Balmer series to the shortest wavelength of Lyman series for hydrogen atom is :
According to Bohr's theory, the moment of momentum of an electron revolving in 4th orbit of hydrogen atom is:
If Rydberg's constant is R , the longest wavelength of radiation in Paschen series will be α 7 R , where α = ______.
An electron of hydrogen atom on an excited state is having energy E n = - 0 . 85 eV . The maximum number of allowed tra…
The longest wavelength associated with Paschen series is : (Given RH=1.097 × 10⁷ SI unit)
In Franck-Hertz experiment, the first dip in the current-voltage graph for hydrogen is observed at 10.2 V. The waveleng…
In an alpha particle scattering experiment distance of closest approach for the α particle is 4.5 × 10⁻¹⁴ ~m. If target…
A particular hydrogen - like ion emits the radiation of frequency 3 × 10 15 Hz when it makes transition from n = 2 to n…
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