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← Bihar Board Class 12 PYQ
Nuclei
Bihar Board Class 12 · Physics · 30 past questions
Topic
Radioactivity basics and radiations
2
Decay law, half-life and decay constant
1
Fission, fusion and reactors
1
Mass-energy and nuclear reactions
0
Nuclear composition and properties
0
Radioactive decay and displacement
0
Level
Easy
2
Moderate
0
Year
2026
1
2025
0
2024
0
2023
2
2022
1
2021
1
2019
0
2018
0
2017
2
2 of 30 ·
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Q11
2023 Set F
The unit of radioactivity is
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Q12
2023 Set F
Which of the following has the highest penetrating power?
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