This quiz works best with JavaScript enabled. Home > Ugc Net > Paper 1 > Environment > Nuclear Energy – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nuclear Energy Quiz 13 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Radium-226 undergoes alpha decay to become radon-222. The equation is:226 Ra 222 Rn + 4 He. 88 86 2Calculate the energy released if Ra-226 = 226.025406 u Rn-222 = 222.017574 u He = 4.002603 u A) 7.81 x 10 $^{-14}$ J. B) 7.81 x 10 $^{-13}$ J. C) 7.81 x 10 $^{-11}$ J. D) 7.81 x 10 $^{-12 }$J. Show Answer Correct Answer: B) 7.81 x 10 $^{-13}$ J. 2. Enriching uranium in the fuel cycle is done in order to ..... A) Have an uncontrolled chain reaction resulting in an explosion. B) Produce slow neutrons. C) Produce fast neutrons. D) Have enough Uranium-235 concentrated in the fuel rods for a sustained chain reaction. Show Answer Correct Answer: D) Have enough Uranium-235 concentrated in the fuel rods for a sustained chain reaction. 3. The amount of time it take for 1/2 U-235 to decay is 4.5 billion years. This is known as its ..... A) U-235. B) Half reaction. C) Chain reaction. D) Half life. Show Answer Correct Answer: D) Half life. 4. What is a Nuclei A) Plural of Fusion. B) Nuclear Fission. C) Nuclear Energy. D) Plural of Nucleus. Show Answer Correct Answer: D) Plural of Nucleus. 5. Which subatomic particle causes the nucleus to have a positive charge? A) Valence electrons. B) Electrons. C) Protons. D) Neutron. Show Answer Correct Answer: C) Protons. 6. The splitting of an atom is known as ..... A) Fission. B) Failure. C) Future. D) Fusion. Show Answer Correct Answer: A) Fission. 7. What process does the Sun go through in order to produce limitless energy for billions of years? A) Fusion. B) Alpha, Beta, Gamma. C) Isotopic implosion. D) Fission. Show Answer Correct Answer: A) Fusion. 8. The combining of atomic nuclei A) Nuclear power plant. B) Nuclear fission. C) Nuclear fusion. D) Nuclear energy. Show Answer Correct Answer: C) Nuclear fusion. 9. What are two isotopes that are used in a Nuclear Reactor for electricity? A) U-235 and Pu-239. B) U-238 and He. C) H and He. D) C-14 and Pu-239. Show Answer Correct Answer: A) U-235 and Pu-239. 10. In nuclear fusion, two positively charged nuclei must touch and bind together. This requires that the nuclei approach each other at ..... A) Low temperatures and low velocity. B) Low temperatures and high velocity. C) High temperatures and high velocity. D) High temperatures and low velocity. Show Answer Correct Answer: C) High temperatures and high velocity. 11. Which of the following is true about fusion? A) Fusion happens in atomic bombs. B) Fusion produces radioactive waste. C) Fusion happens on the sun and stars. D) Fusion happens at nuclear power plants. Show Answer Correct Answer: C) Fusion happens on the sun and stars. 12. Costs more than $ 3, 000 per kilowatt of electrical capacity A) Nuclear power plant. B) Nuclear fusion. C) Nuclear energy. D) Nuclear fission. Show Answer Correct Answer: A) Nuclear power plant. 13. Nuclear power plants produce energy using what type of reaction? A) Fission. B) Fusion. C) Single Replacement. D) Combustion. Show Answer Correct Answer: A) Fission. 14. When moving neutrons hit the nuclei of certain other atoms thereby causing them to disintegrate, and this happens repeatedly, it is said to be a ..... A) Nuclear chain reaction. B) Alpha radiation. C) Control rod. D) Nuclear half-life. Show Answer Correct Answer: A) Nuclear chain reaction. 15. 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). 16. Uranium-235 is considered ideal for use in nuclear reactors because A) It is a widely distributed resource. B) It is highly fissionable. C) It produces minimal radioactive waste. D) It is a stable isotope. E) It has a high EROEI. Show Answer Correct Answer: B) It is highly fissionable. 17. What is Albert Einstein's theory about mass and energy? A) E = m. B) E = m c$^{2}$. C) E = radioactive matter. D) All of the above. Show Answer Correct Answer: B) E = m c$^{2}$. 18. How does nuclear energy affect the planet/wildlife A) Global warming. B) Radioactive wastes kills wildlife. C) Kills fat dogs. D) None of above. Show Answer Correct Answer: B) Radioactive wastes kills wildlife. 19. 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. 20. The mass of the neutron is about ..... A) Half of electron. B) The same as proton. C) Same as electron. D) Double that of a proton. Show Answer Correct Answer: B) The same as proton. 21. Can be stopped by aluminum foil; has no mass and negative charge. A) Gamma ray. B) Beta particle. C) Alpha partcle. D) Half-life. Show Answer Correct Answer: B) Beta particle. 22. Contained in the nuclei of atoms A) Nuclear fusion. B) Nuclear energy. C) Nuclear fission. D) Nuclear power plant. Show Answer Correct Answer: B) Nuclear energy. 23. Why do nuclear power plants use fission instead of fusion? A) Fusion is not safe. B) Fusion creates dangerous waste. C) Fusion requires extreme temperatures and pressure that are difficult to maintain. D) Fission produces more energy. Show Answer Correct Answer: C) Fusion requires extreme temperatures and pressure that are difficult to maintain. 24. Alternative sources of energy include ..... A) Solar Power. B) Wind Power. C) Hydropower. D) All of the above. Show Answer Correct Answer: D) All of the above. 25. What decay emits (releases) a He atom (2 protons and 4 neutrons? ) A) Gamma. B) Alpha. C) Fission. D) Beta. Show Answer Correct Answer: B) Alpha. 26. Which type of radiation is the most ionising? A) Alpha. B) Beta. C) Gamma. D) None of above. Show Answer Correct Answer: A) Alpha. 27. What is used for fuel in a nuclear reactor? A) Cadmium. B) Uranium. C) Petroleum. D) None of above. Show Answer Correct Answer: B) Uranium. 28. A nuclear reaction where a nucleus splits into two smaller nuclei is ..... A) Gamma decay. B) Fission. C) Fusion. D) Beta decay. Show Answer Correct Answer: B) Fission. 29. The most penetrating type of radiation is the ..... A) Alpha particle. B) Gamma ray. C) Uranium. D) Beta particle. Show Answer Correct Answer: B) Gamma ray. 30. After decaying for 48 hours, 6.25 % of the original mass of a radioisotope sample remains unchanged. What is the half-life of this radioisotope? A) 24 h. B) 9.6 h. C) 12 h. D) 3.0 h. Show Answer Correct Answer: C) 12 h. ← PreviousNext →Related QuizzesPaper 1 QuizzesUgc Net QuizzesNuclear Energy Quiz 1Nuclear Energy Quiz 2Nuclear Energy Quiz 3Nuclear Energy Quiz 4Nuclear Energy Quiz 5Nuclear Energy Quiz 6Nuclear Energy Quiz 7Nuclear Energy Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books