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Nuclei

Bihar Board Class 12 · Physics · 30 past questions

Topic Decay law, half-life and decay constant 1 Mass-energy and nuclear reactions 1 Nuclear composition and properties 1 Radioactive decay and displacement 1 Radioactivity basics and radiations 1 Fission, fusion and reactors 0

Level Easy 1 Moderate 0

Year 2026 2 2025 1 2024 1 2023 0 2022 1 2021 0 2019 0 2018 0 2017 0

1 of 30 · show all

Q18 2022 Set I

Number of neutrons in nucleus is