This quiz works best with JavaScript enabled. Home > Science > Physics > Nuclear Science – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nuclear Science Quiz 10 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following terms best describes the other product besides energy of nuclear power? A) Useful. B) Hazardous (unsafe). C) Harmless. D) None. Show Answer Correct Answer: B) Hazardous (unsafe). 2. Finish this equation20983Bi$\rightarrow$ ..... + 20581Tl A) 42He. B) 0-1e. C) Y. D) None of above. Show Answer Correct Answer: A) 42He. 3. The time taken for a radioactive element to reduce to 50 % of its original weight is ..... years, if its half life period is 12 years. A) 6. B) 18. C) 24. D) 48. Show Answer Correct Answer: B) 18. 4. New nucleus after alpha particle decay is called A) Parent nucleus. B) Decayed nucleus. C) Daughter nucleus. D) Undecayed nucleus. Show Answer Correct Answer: C) Daughter nucleus. 5. Alpha particles ..... A) Are positively charged. B) Consist of two protons and four neutrons. C) Can penetrate any thickness of matter. D) All of the above. Show Answer Correct Answer: A) Are positively charged. 6. An alpha particle may exist as an entity within a ..... A) Nucleus. B) Heavy Nucleus. C) Light nucleus. D) Nucleons. Show Answer Correct Answer: B) Heavy Nucleus. 7. How is carbon-12 different from carbon-14? A) They have a different number of protons. B) They have a different number of electrons. C) They have a different number of neutrons. D) They are different elements. Show Answer Correct Answer: C) They have a different number of neutrons. 8. ..... is a machine that uses fission to generate energy A) Nuclear Reactor. B) Nuclear factory. C) Nuclear field. D) None of above. Show Answer Correct Answer: A) Nuclear Reactor. 9. What is an example for a nuclear equation A) 70. B) 14 0 14C $\rightarrow$ e + N6-1 7. C) 629o + j76. D) None of above. Show Answer Correct Answer: B) 14 0 14C $\rightarrow$ e + N6-1 7. 10. The process of splitting an atom's nucleus and releasing a large amount of energy is called A) Nuclear meltdown. B) Nuclear isotope. C) Nuclear fission. D) Nuclear fusion. Show Answer Correct Answer: C) Nuclear fission. 11. One 'amu' is equivalent to A) 931J. B) 931 eV. C) 9.31 MeV. D) 931 Mev. Show Answer Correct Answer: D) 931 Mev. 12. Fast breeder reactors are most usable in India, because of our largest ..... deposits. A) Uranium. B) Thorium. C) Plutonium. D) None of these. Show Answer Correct Answer: B) Thorium. 13. What causes radioactivity A) Excess of Protons or an excess of Neutrons. B) Electrons collide with the atoms. C) Lack of Protons or an excess of Neutrons. D) To many atoms. Show Answer Correct Answer: A) Excess of Protons or an excess of Neutrons. 14. The half life period of a radioactive element depends on its A) Amount. B) Pressure. C) Temperature. D) None of these. Show Answer Correct Answer: D) None of these. 15. Graphite is used in nuclear reactor as A) Fuel. B) Lubricant. C) Insulation lining of the reactor. D) Retarder of neutron velocity. Show Answer Correct Answer: D) Retarder of neutron velocity. 16. A positive effect of nuclear fission is ..... A) No accidents or explosions. B) No radioactive waste. C) Clean energy (no greenhouse gases). D) Hydrogen is plentiful. Show Answer Correct Answer: C) Clean energy (no greenhouse gases). 17. Total amount of mass and energy together in a system is A) Zero. B) Constant. C) Increasing. D) Decreasing. Show Answer Correct Answer: B) Constant. 18. The most commonly used nuclear fuel in boiling water reactor is A) Plutonium. B) Monazite sand. C) Natural uranium. D) Enriched uranium. Show Answer Correct Answer: D) Enriched uranium. 19. Nuclear power plant uses ..... for fuel. A) Steel. B) Coal. C) Uranium. D) Hydrogen. Show Answer Correct Answer: C) Uranium. 20. What was the name of the area in which there was a nuclear explosion in 1986? A) Hiroshima. B) Fukushima. C) Chernoybl. D) None of above. Show Answer Correct Answer: C) Chernoybl. ← PreviousNext →Related QuizzesScience QuizzesNuclear Science Quiz 1Nuclear Science Quiz 2Nuclear Science Quiz 3Nuclear Science Quiz 4Nuclear Science Quiz 5Nuclear Science Quiz 6Nuclear Science Quiz 7Nuclear Science Quiz 8Nuclear Science Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books