NEET Physics: Atoms and Nuclei — Practice Set 12

Q1. What is the radius of a nucleus with mass number 32? (Given \( R_0 = 1.2 \times 10^{-15} \, \text{m} \))

Q2. What is the volume of a nucleus with radius \( 3.0 \times 10^{-15} \, \text{m} \)? (Use \( \pi = 3.14 \))

Q3. What is the mass defect of a nucleus with binding energy \( 167.67 \, \text{MeV} \)? (Given \( 1 \, \text{u} = 931.5 \, \text{MeV/c}^2 \))

Q4. What is the mass defect of a nucleus with binding energy \( 216 \, \text{MeV} \)? (Given \( 1 \, \text{u} = 931.5 \, \text{MeV/c}^2 \))

Q5. How much energy is released when \( 5 \, \text{g} \) of matter is converted into energy? (Given \( c = 3 \times 10^8 \, \text{m/s} \))

Q6. What is the significance of the mass-energy equivalence in nuclear physics?

Q7. Why does the nuclear force not distinguish between protons and neutrons?

Q8. What role does the binding energy play in nuclear stability?

Q9. A nucleus with mass number 70 has a binding energy of \( 595 \, \text{MeV} \). What is its binding energy per nucleon?

Q10. Which characteristic of the nuclear force explains its dominance over the Coulomb force in the nucleus?

Q11. The binding energy of a nucleus is \( 240 \, \text{MeV} \) and its mass number is 30. What is the binding energy per nucleon?

Q12. A nucleus with mass number 40 has a binding energy of \( 320 \, \text{MeV} \). What is its binding energy per nucleon?

Q13. What happens to the nuclear force when nucleons are separated by more than a few femtometres?

Q14. What is the energy equivalent of a neutron with mass \( 1.6749 \times 10^{-27} \, \text{kg} \) in Joules? (Given \( c = 3 \times 10^8 \, \text{m/s} \))

Physics — Atoms and Nuclei

Set 12 of 22

21:00

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What is the radius of a nucleus with mass number 32? (Given \( R_0 = 1.2 \times 10^{-15} \, \text{m} \))