Nuclei

CBSE Class 12 · Physics · 11 past questions

1. Q1 2026

   If $r_1$ and $r_2$ are the radii of atomic nuclei of mass numbers 64 and 27 respectively, then the value of…

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2. Q2 2026

   Questions number 13 to 16 are Assertion (A) and Reason (R) type questions. Two statements are given — one…

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3. Q3 2026

   The 'distance of closest approach' of an alpha-particle is 'd' when it moves with a velocity $v$ head-on…

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4. Q4 2026

   For question number 13 to 16, two statements are given – one labelled as Assertion (A) and the other labelled…

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5. Q5 2025

   Calculate the mass of an $\alpha$-particle in atomic mass unit (u). Given…

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6. Q6 2025

   Which of the following figures correctly represent the shape of curve of binding energy per nucleon as a… (with a figure)

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7. Q7 2024

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8. Q8 2024

   The carbon isotope $^{12}_{6}$C has a nuclear mass of 12·000000 u. Calculate the binding energy of its…

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9. Q9 2023

   The curve of binding energy per nucleon as a function of atomic mass number has a sharp peak for helium…

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10. Q10 2023

    Questions number 16 to 18 are Assertion (A) and Reason (R) type questions. Two statements are given — one…

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11. Q11 2023

    The mass density of a nucleus of mass number A is…

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