Nuclear Physics important MCQs for admission test and job testBy: Prof. Dr. Fazal Rehman | Last updated: May 20, 2025 12 Score: 0 Attempted: 0/12 Subscribe 1. : Elements which produce natural radioactivity are known as… (A) Radio elements (B) Active elements (C) Nuclear elements (D) Radioactive elements 2. : Heavier nuclei made by the combination of two light nuclei, that process is said to be… (A) Nuclear fission (B) Nuclear fusion (C) Nuclear power (D) Nuclear transmutation 3. : Alpha (α) particles are helium (He) nucleus with a charge of… (A) e (B) 2e (C) 3e (D) 4e 4. : A helium nucleus comprising of two neutrons and two protons with a charge of 2e is… (A) Beta particle (B) Alpha particle (C) Gamma particle (D) Negative particle 5. : Isotopes have different numbers of neutrons but the same number of… (A) Protons (B) Neutrons (C) Positrons Answer: (A) Protons 6. : The number of protons inside the nucleus represents… (A) Atomic mass (B) Atomic number (C) Atomic count (D) Radioactivity level 7. : Beta particles are a stream of high-energy… (A) Electrons (B) Protons (C) Photons (D) Positrons 8. : The phenomenon by which radiations split matter into positive and negative ions is called… (A) Ionization (B) Radiation (C) Transmutation (D) Radioactivity 9. : Radiation emitted from splits into… (A) 3 components (B) 4 components (C) 5 components (D) 2 components 10. : Positive charge in an atom was intense in a small region called… (A) Atomic mass (B) Electron (C) Proton (D) Nucleus 11. : Elements whose atomic number is greater than 82 are called as… (A) Positive nuclei (B) Stable nuclei (C) Unstable nuclei (D) Negative nuclei 12. : During natural radioactivity, an unstable nucleus disintegrates to become more… (A) Stable (B) Unstable (C) Excited (D) Unexcited Related Posts:Atomic and Nuclear Physics MCQsimportant MCQs Of Nuclear Chemistry - Multiple Choice QuestionsNuclear Physics MCQsNuclear Physics Basic MCQsNuclear Physics Multiple Choice QuestionsNuclear physics Research Topics