Verified Solution • 2025–26 Session moderate

QPages 440-441: Q10: HC Verma: Concepts of Physics - Volume 2 The Nucleus Pages 440-441: Q10 Solution: Which of the following is a wrong description of binding energy …

⚠️ Common Exam Traps & Conceptual Pitfalls

Students frequently mistake binding energy for the total kinetic energy of the nucleons, overlooking that binding energy is the mass‑defect energy released (or required) when nucleons combine, i.e., the difference between the sum of free‑nucleon rest masses and the nucleus rest mass. Remember: binding energy = energy to separate the nucleus, not the sum of internal kinetic energies.

Which of the following is a wrong description of binding energy of a nucleus?

Multiple Choice Options

  • A It is the energy required to break a nucleus into its constituent nucleons.
  • B It is the energy made available when free nucleons combine to form a nucleus.
  • C It is the sum of the rest mass energies of its nucleons minus the rest mass energy of the nucleus.
  • D It is the sum of the kinetic energy of all the nucleons in the nucleus.

Step-by-Step Verified Solution

**Answer:** (d) It is the sum of the kinetic energy of all the nucleons in the nucleus. **Step-by-Step Explanation:** Binding energy is not the sum of kinetic energies of nucleons.

All Questions in this Chapter

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