NEET Physics: Atoms and Nuclei — MCQ Test 22

Q6. What is the mass defect of a nucleus with binding energy \( 149.04 \, \text{MeV} \)? (Given \( 1 \, \text{u} = 931.5 \, \text{MeV/c}^2 \))

Q7. The binding energy per nucleon of a nucleus is \( 8.5 \, \text{MeV} \). What is the total binding energy for a nucleus with mass number 20?

Q8. Which process involves the splitting of a heavy nucleus into two intermediate mass fragments?

Q9. What is the energy equivalent of \( 0.01 \, \text{kg} \) of matter in Joules? (Given \( c = 3 \times 10^8 \, \text{m/s} \))

Q10. What is the mass number of a nucleus with radius \( 5.4 \times 10^{-15} \, \text{m} \)? (Given \( R_0 = 1.2 \times 10^{-15} \, \text{m} \))

NEET Physics — Atoms and Nuclei

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What is the energy equivalent of \( 0.005 \, \text{kg} \) of matter 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, Limiting, Involves, Splitting, Intermediate, and Fragments.

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. What is the energy equivalent of \( 0.005 \, \text{kg} \) of matter in Joules? (Given \( c = 3 \times 10^8 \, \text{m/s} \))

  • A. 4.0 × 10¹⁴ J
  • B. 4.2 × 10¹⁴ J
  • C. 4.5 × 10¹⁴ J
  • D. 4.8 × 10¹⁴ J

Q2. What is the mass defect of a nucleus with binding energy \( 186.3 \, \text{MeV} \)? (Given \( 1 \, \text{u} = 931.5 \, \text{MeV/c}^2 \))

  • A. 0.18 u
  • B. 0.19 u
  • C. 0.21 u
  • D. 0.2 u

Q3. What is the primary source of energy in stars like the Sun?

  • A. Nuclear fusion
  • B. Nuclear fission
  • C. Chemical combustion
  • D. Gravitational collapse

Q4. What is the primary factor limiting the size of stable nuclei?

  • A. Nuclear density
  • B. Mass defect
  • C. Coulomb repulsion
  • D. Binding energy decrease

Q5. How much energy is equivalent to a mass defect of \( 0.1 \, \text{u} \)? (Given \( 1 \, \text{u} = 931.5 \, \text{MeV/c}^2 \))

  • A. 93.15 MeV
  • B. 9.315 MeV
  • C. 931.5 MeV
  • D. 46.58 MeV

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