Atoms And Nuclei Formulas for JEE 2026
20 formulas in Atoms And Nuclei (Physics) How many can you recall?
Bohr radius (hydrogen scale)
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Radius of nth Bohr orbit (hydrogen-like)
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Bohr energy levels (hydrogen-like)
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Rydberg formula (hydrogen-like spectra)
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Bohr quantization of angular momentum
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Kinetic and potential energy in Bohr Coulomb orbit
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Bohr Orbital Velocity
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Distance of closest approach (head-on α on nucleus)
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Rutherford formula (impact parameter vs scattering angle, α)
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Nuclear radius (empirical)
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Nuclear Density
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Q-value of a nuclear reaction or decay
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Mass defect of a nucleus
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Nuclear binding energy
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Mass–energy equivalence (rest energy)
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Radioactive decay: surviving nuclei
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Half-life and decay constant
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Mean life (average lifetime)
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Activity (decay rate)
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Surviving fraction after n half-lives
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