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← Bihar Board Class 12 PYQ
Atoms
Bihar Board Class 12 · Physics · 13 past questions
Topic
Bohr orbits: radius and angular momentum
3
Atomic structure and nucleus
2
Bohr model: postulates and limitations
2
Energy of the electron in hydrogen
2
Hydrogen spectral series
2
Spectra and lasers
2
Level
Easy
2
Moderate
0
Year
2026
1
2025
0
2023
1
2021
0
2019
0
2018
0
2017
0
2 of 13 ·
show all
Q1
2026 Set A
The solar spectrum is
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Q6
2023 Set F
LASER action needs
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