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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
Hydrogen spectral series
2
Spectra and lasers
2
Energy of the electron in hydrogen
1
Level
Easy
2
Moderate
0
Year
2026
0
2025
1
2023
0
2021
0
2019
0
2018
0
2017
1
2 of 13 ·
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Q4
2025 Set D
Which series of hydrogen spectrum lies in visible portion?
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Q12
2017
Which series of hydrogen spectrum does not lie in infrared region?
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