NEET Physics: Atoms and Nuclei — MCQ Test 19

Q6. Which property of the nuclear force leads to the saturation of binding energy in large nuclei?

Q7. What is the binding energy of a nucleus with a mass defect of \( 0.09 \, \text{u} \)? (Given \( 1 \, \text{u} = 931.5 \, \text{MeV/c}^2 \))

Q8. What is the significance of the binding energy per nucleon curve?

Q9. What is the energy released when \( 2 \, \text{g} \) of matter is completely converted into energy? (Given \( c = 3 \times 10^8 \, \text{m/s} \))

Q10. What is the binding energy of a nucleus with mass defect \( 0.12 \, \text{u} \)? (Given \( 1 \, \text{u} = 931.5 \, \text{MeV/c}^2 \))

NEET Physics — Atoms and Nuclei

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The mass of a proton is \( 1.67262 \times 10^{-27} \, \text{kg} \). What is its energy equivalent in Joules? (Given \( c = 3 \times 10^8 \, \text{m/s} \))

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Physics preparation, focusing specifically on the chapter Atoms and Nuclei. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

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Key concepts covered in this specific test include Equivalent, Following, Negligible, Together, Difference, and Chemical.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. The mass of a proton is \( 1.67262 \times 10^{-27} \, \text{kg} \). What is its energy equivalent in Joules? (Given \( c = 3 \times 10^8 \, \text{m/s} \))

  • A. 1.505 × 10⁻¹⁰ J
  • B. 1.672 × 10⁻¹⁰ J
  • C. 1.800 × 10⁻¹⁰ J
  • D. 2.000 × 10⁻¹⁰ J

Q2. What is the nuclear density of a nucleus with mass \( 8.35 \times 10^{-27} \, \text{kg} \) and radius \( 2.7 \times 10^{-15} \, \text{m} \)? (Use \( \pi = 3.14 \))

  • A. 0.9 × 10¹⁷ kg/m³
  • B. 1.0 × 10¹⁷ kg/m³
  • C. 1.01 × 10¹⁷ kg/m³
  • D. 1.2 × 10¹⁷ kg/m³

Q3. Which of the following forces is negligible in holding the nucleus together?

  • A. Gravitational force
  • B. Nuclear force
  • C. Coulomb force
  • D. Weak force

Q4. Why is the binding energy per nucleon lower in very heavy nuclei?

  • A. Due to nuclear density increase
  • B. Increased Coulomb repulsion
  • C. Decrease in nuclear force
  • D. Higher mass defect

Q5. What is the key difference between nuclear and chemical energy sources?

  • A. Nuclear radius
  • B. Nuclear density
  • C. Source of energy
  • D. Energy magnitude

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