This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Physics > Nuclear Science – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nuclear Science Quiz 4 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. New nucleus after alpha particle decay is called A) Parent nucleus. B) Daughter nucleus. C) Undecayed nucleus. D) Decayed nucleus. Show Answer Correct Answer: B) Daughter nucleus. 2. 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. 3. An alpha particle may exist as an entity within a ..... A) Light nucleus. B) Nucleons. C) Heavy Nucleus. D) Nucleus. Show Answer Correct Answer: C) Heavy Nucleus. 4. How is carbon-12 different from carbon-14? A) They have a different number of neutrons. B) They have a different number of protons. C) They have a different number of electrons. D) They are different elements. Show Answer Correct Answer: A) They have a different number of neutrons. 5. ..... 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. 6. 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. 7. The process of splitting an atom's nucleus and releasing a large amount of energy is called A) Nuclear isotope. B) Nuclear fusion. C) Nuclear meltdown. D) Nuclear fission. Show Answer Correct Answer: D) Nuclear fission. 8. One 'amu' is equivalent to A) 931J. B) 931 eV. C) 931 Mev. D) 9.31 MeV. Show Answer Correct Answer: C) 931 Mev. 9. 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. 10. What causes radioactivity A) Excess of Protons or an excess of Neutrons. B) To many atoms. C) Lack of Protons or an excess of Neutrons. D) Electrons collide with the atoms. Show Answer Correct Answer: A) Excess of Protons or an excess of Neutrons. 11. 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. 12. Graphite is used in nuclear reactor as A) Lubricant. B) Insulation lining of the reactor. C) Fuel. D) Retarder of neutron velocity. Show Answer Correct Answer: D) Retarder of neutron velocity. 13. A positive effect of nuclear fission is ..... A) No accidents or explosions. B) Clean energy (no greenhouse gases). C) No radioactive waste. D) Hydrogen is plentiful. Show Answer Correct Answer: B) Clean energy (no greenhouse gases). 14. Total amount of mass and energy together in a system is A) Increasing. B) Decreasing. C) Zero. D) Constant. Show Answer Correct Answer: D) Constant. 15. 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. 16. 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. 17. What was the name of the city impacted by a nuclear meltdown disaster? A) Mexico city. B) Los Angeles. C) Chernobyl. D) None of above. Show Answer Correct Answer: C) Chernobyl. 18. What is radioactivity? A) The application of heat energy to an atomic nucleus. B) A term that describes the forces that hold atomic nuclei together. C) The emission of high-energy particles or waves from atoms. D) The movement of electrons around an atomic nucleus. Show Answer Correct Answer: C) The emission of high-energy particles or waves from atoms. 19. ..... is the energy stored in the nucleus of an atom A) Kinetic energy. B) Nuclear energy. C) Thermal energy. D) None of above. Show Answer Correct Answer: B) Nuclear energy. 20. Nuclear energy is a ..... resource. A) Renewable. B) Nonrenewable. C) Can be used over and over again. D) None of above. Show Answer Correct Answer: B) Nonrenewable. 21. Radioactive decay is a ..... change. A) Nuclear. B) Physical. C) Chemical. D) None of these. Show Answer Correct Answer: A) Nuclear. 22. Which one is radioactive material? A) Actinium. B) Helium. C) Boran. D) Aluminum. Show Answer Correct Answer: A) Actinium. 23. What was the name of the area in 1986 in which there was a nuclear explosion at a power plant? A) Chernobyl. B) Fukushima. C) New York City. D) Three Mile Island. Show Answer Correct Answer: A) Chernobyl. 24. Greater decay constant A) Greater activity. B) Less activity. C) Greater size. D) Less size. Show Answer Correct Answer: A) Greater activity. 25. The major drawback to nuclear fission reactors is ..... A) The pollution that is produced by the power plants. B) Mining the fossil fuels is dangerous for miners. C) The safe disposal of the radioactive waste. D) Finding large water sources to support the nuclear reactors. Show Answer Correct Answer: C) The safe disposal of the radioactive waste. 26. Which one is radioactive in nature? A) Helium. B) Tritium. C) Deuterium. D) Heavy hydrogen. Show Answer Correct Answer: B) Tritium. 27. The amount of a radioisotope remaining undecayed after a time equal to four times its half life, will be ..... percent. A) 8.25. B) 2.25. C) 4.25. D) 6.25. Show Answer Correct Answer: D) 6.25. 28. Neutrino theory of beta decay developed by A) Fermi. B) Bose. C) Fermi-Dirac. D) Dirac. Show Answer Correct Answer: A) Fermi. 29. What do carbon-12 and carbon-14 have in common? A) They have the same number of neutrons. B) They have the same number of protons. C) They have the same atomic weight. D) They have the same atomic mass. Show Answer Correct Answer: B) They have the same number of protons. 30. Which one does nuclear energy contribute to A) Greenhouse gases. B) Climate change. C) Being emission free. D) Carbon emissions. Show Answer Correct Answer: C) Being emission free. 31. Identify the type of nuclear decay shown here21483Bi $\rightarrow$ 0-1e + 21484Po A) Alpha. B) Beta. C) Gamma. D) None of above. Show Answer Correct Answer: B) Beta. 32. How many neutrons does uranium-239 have A) 92. B) 331. C) 147. D) 239. Show Answer Correct Answer: C) 147. 33. All of the following are problems of nuclear energy exce pt ..... A) Storage of radioactive fuel. B) Natural disasters (tsunamis, earthquakes, etc.). C) Pollution. D) Security concerns. Show Answer Correct Answer: C) Pollution. 34. Which is NOT an advantage of geothermal power? A) Renewable. B) No pollution. C) You don't have to transport it. D) Geysers and volcanoes are everywhere. Show Answer Correct Answer: D) Geysers and volcanoes are everywhere. 35. Main source of ..... is monazite sand. A) Uranium. B) Thorium. C) Hafnium. D) Polonium. Show Answer Correct Answer: B) Thorium. 36. Radioactive decay is a A) Random process. B) Regular process. C) Massive process. D) Non-spontaneous process. Show Answer Correct Answer: A) Random process. 37. Nucleus of tritium has ..... neutrons. A) 2. B) 3. C) 4. D) 1. Show Answer Correct Answer: A) 2. 38. Why is burning fossil fuels bad for the environment? A) It destroys the ozone layer. B) It adds harmful mercury to waterways. C) The clouds it creates bring excess rain and flooding. D) The gases emitted lead to global climate change. Show Answer Correct Answer: D) The gases emitted lead to global climate change. 39. We use the energy stored in the nucleus of an atom by converting it to ....., which can then be used to generate electricity. A) Potential energy. B) Thermal energy. C) Mechanical energy. D) None of above. Show Answer Correct Answer: B) Thermal energy. 40. The combining of 2 nuclei to form a larger nucleus is called ..... A) Fission. B) Fusion. C) Compounds. D) Radioactive waste. Show Answer Correct Answer: B) Fusion. 41. The splitting of a nucleus of an atom is called ..... A) Fission. B) Radioactive waste. C) Fusion. D) Craziness. Show Answer Correct Answer: A) Fission. 42. Which is a nonrenewable source of energy? A) Nuclear. B) Wind. C) Biomass. D) Sunlight. Show Answer Correct Answer: A) Nuclear. 43. North Anna and Surry are 2 Virginia power plants that have ..... in common to prevent meltdowns. A) A large population of people. B) A large water source. C) A large supply of electricity. D) A small animal population. Show Answer Correct Answer: B) A large water source. 44. In the symbol 20682Pb what does 206 stand for? A) Atomic mass. B) Mass number. C) Number of protons. D) Atomic number. Show Answer Correct Answer: B) Mass number. 45. In what part of an atom can protons be found? A) Inside the electrons. B) Inside the electron shells. C) Inside the atomic nucleus. D) Inside the neutrons. Show Answer Correct Answer: C) Inside the atomic nucleus. 46. Nuclear fussion releases energy which is used to heat water, which produces steam, which drives turbines to produce what .....? A) Electricity. B) Uranium. C) Natural Gas. D) None of above. Show Answer Correct Answer: A) Electricity. 47. Mass excess for U-235 is A) 0.05 u. B) 0.06 u. C) 0.034 u. D) 0.043 u. Show Answer Correct Answer: D) 0.043 u. 48. As compare to proton, mass of neutron is A) 10 % greater. B) 0.1 % greater. C) 1 % greater. D) 5 % greater. Show Answer Correct Answer: B) 0.1 % greater. 49. One of the element used in generating nuclear power is ..... A) Carbon. B) Uranium. C) Aluminum. D) None of above. Show Answer Correct Answer: B) Uranium. 50. When a nucleus undergoes nuclear decay by gamma rays, the atomic number of the element ..... A) Remains the same. B) Increases by one. C) Decreases by one. D) Increases by two. Show Answer Correct Answer: A) Remains the same. 51. Nuclear fusion releases energy when A) Very light nuclei fuse together. B) Uranium emits a neutron. C) Uranium splits into two fragments. D) Heavy ions fuse together. Show Answer Correct Answer: A) Very light nuclei fuse together. 52. Splitting a large atom into two or more smaller atoms is called A) Osmosis. B) Fission. C) Fusion. D) Byproduct. Show Answer Correct Answer: B) Fission. 53. What is a CON about nuclear energy? A) It causes global warming. B) It generates hazardous waste that can get people sick. C) Both of these are true. D) None of above. Show Answer Correct Answer: B) It generates hazardous waste that can get people sick. 54. If energy is released from a system, it's mass A) Constant. B) Decreases. C) Increases. D) Zero. Show Answer Correct Answer: B) Decreases. 55. U-235 content in enriched uranium, that is normally used in power reactors (e.g., at Tarapur atomic power plant), is about ..... percent. A) 85. B) 3. C) 97. D) 50. Show Answer Correct Answer: B) 3. 56. Percentage of U-238 in natural uranium is around A) 29.71. B) 0.015. C) 99.29. D) 0.71. Show Answer Correct Answer: B) 0.015. 57. Which one is different for the neutral atoms of the isotopes of an element? A) Atomic numbers. B) Atomic weights. C) Number of electrons. D) Number of protons. Show Answer Correct Answer: B) Atomic weights. 58. Which of the following is true about nuclear fusion? A) It produces more energy than nuclear fission. B) It has the ability to occur easily in everyday life. C) It produces less energy than nuclear fission. D) It is easy to implement. Show Answer Correct Answer: A) It produces more energy than nuclear fission. 59. The hydrogen bomb is what type of nuclear reaction? A) Nuclear. B) Atomic. C) Fusion. D) Fission. Show Answer Correct Answer: C) Fusion. 60. What happens when the number of protons in an atom changes? A) The number of electrons changes too. B) Usually nothing happens, unless the atom is radioactive. C) The atomic nucleus explodes. D) It becomes a completely different atom, with different properties. Show Answer Correct Answer: D) It becomes a completely different atom, with different properties. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesNuclear Science Quiz 1Nuclear Science Quiz 2Nuclear Science Quiz 3Nuclear Science Quiz 5Physics QuizSolar System QuizThe Universe Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books