Atoms – JEE Main Previous Year Questions (2014–2025)

All 6 JEE Main previous-year questions from Atoms (Physics), 2014–2025, taken from 6 papers. Practise them together in one test with the official marking and answer key, then review every answer.

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Atoms questions by paper

Paper	Questions
JEE Main 2025 22 Jan Shift 2	1
JEE Main 2019 8 Apr Shift 1	1
JEE Main 2018 Set B (offline)	1
JEE Main 2017 Set B (offline)	1
JEE Main 2015 Set B (offline)	1
JEE Main 2014 Set F (offline)	1

Sample questions

JEE Main 2025 22 Jan Shift 2
2.39 An electron projected perpendicular to a uniform magnetic field moves in a circle If Bohr's quantization is applicable then the radius of the electronic orbit in…
JEE Main 2019 8 Apr Shift 1
Radiation coming from transitions 2 to 1 of hydrogen atoms fall on He ions in 1 and 2 states The possible transition of helium ions as they absorb energy from the…
JEE Main 2018 Set B (offline)
If the series limit frequency of the Lyman series is then the series limit frequency of the Pfund series is 1 vi 16 2 25 3 4
JEE Main 2017 Set B (offline)
Some energy levels of a molecule are shown in the figure The ratio of the is given by aN 4 2 wo 13 ay ry rel 3 3 raf 3 re 85

Question text shown from the scanned paper; open the test to see each question exactly as printed.

Atoms – JEE Main Previous Year Questions (2014–2025)

Atoms questions by paper

Sample questions

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