This quiz works best with JavaScript enabled. Home > Ugc Net > Paper 1 > Environment > Nuclear Energy – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nuclear Energy Quiz 4 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A radioactive isotope has a half life of 30 years. At year 0, there are 400 radioactive atoms. How many are left after 120 years of decay? Sketch out a table if you need to. A) 25 atoms. B) 50 atoms. C) 12.5 atoms. D) 30 atoms. Show Answer Correct Answer: A) 25 atoms. 2. True or false:Nuclear energy good for the environment A) True. B) False. C) I don't know. D) None of above. Show Answer Correct Answer: B) False. 3. 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. 4. What type of energy is produced from using uranium A) Heat. B) Physical. C) Electricity. D) Wind. Show Answer Correct Answer: A) Heat. 5. Nuclear Power Plants have many advantages. One of those advantages is ..... A) Nuclear weapons. B) Nuclear waste. C) Reduced CO2 emissions. D) Reactor meltdowns. Show Answer Correct Answer: C) Reduced CO2 emissions. 6. What is a half-life? A) The time it takes for half of any number of radioactive atoms to decay. B) The time it takes for a radioactive atom to lose half its electrons. C) The average time it takes for any element to disappear completely. D) The time it takes for a radioactive atom to lose half its neutrons. Show Answer Correct Answer: A) The time it takes for half of any number of radioactive atoms to decay. 7. How many incidents have been reported A) 10. B) 27. C) 33. D) 15. Show Answer Correct Answer: B) 27. 8. Which location saw the most damaging nuclear accident? A) Three Mile Island, United States. B) Chernobyl, Ukraine. C) Belleville, France. D) Lake Eerie, United States. E) Bhopal, India. Show Answer Correct Answer: B) Chernobyl, Ukraine. 9. ..... 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. 10. What are the two major processes involved with nuclear energy? A) Fission and Fusion. B) Alpha and Beta particles. C) Gamma and Fission. D) Radioactivity and Alpha Decay. Show Answer Correct Answer: A) Fission and Fusion. 11. One advantage of nuclear energy over coal energy is ..... A) There is more uranium required than fossil fuels so miners have jobs. B) The nuclear plant gives off more greenhouse gases. C) It is very cheap to operate a nuclear power plant. D) There is very little dangerous waste with nuclear energy. Show Answer Correct Answer: C) It is very cheap to operate a nuclear power plant. 12. C-14 has 8 neutrons and C-13 has 7 neutrons. How many protons are in C-14? A) 7. B) 6. C) 12.01. D) 8. Show Answer Correct Answer: B) 6. 13. Why is the mining of Uranium prohibited in Virginia? A) The area is too wet. B) There are no nuclear reactors in Virginia to use the Uranium. C) There is not enough uranium to make mining worth it. D) None of above. Show Answer Correct Answer: A) The area is too wet. 14. How many neutrons will an atom have it has an atomic number of 26, an atomic mass of 58 and a charge of +3? A) 26. B) 32. C) 58. D) 3. Show Answer Correct Answer: B) 32. 15. Complete the phrase:'The longer an element's half-life ..... ' A) The more radioactive it is. B) The less radioactive it is. C) The rarer it is. D) The longer it will take to decay. Show Answer Correct Answer: D) The longer it will take to decay. 16. Nuclear power plants rely on which of the following reactions to generate energy? A) Fixing. B) Fission. C) Fusion. D) Half-life. Show Answer Correct Answer: B) Fission. 17. Disadvantages of nuclear energy A) Nuclear accidents (meltdown), only 3 in history. B) Nuclear radioactive waste. C) Could be used in terrorist activities. D) All of them. Show Answer Correct Answer: D) All of them. 18. A radioactive isotope has a half life of 20 years. At year 0, there are 100 radioactive atoms. What fraction are left after 100 years of decay? Sketch out a table if you need to. A) 1/2. B) 1/32. C) 1/8. D) 1/16. Show Answer Correct Answer: B) 1/32. 19. In a nuclear reactor what absorbs fast moving neutrons? A) Moderator. B) Generator. C) Sheilding. D) Control rods. Show Answer Correct Answer: D) Control rods. 20. When U-235 splits it releases ..... more neutrons. A) 300. B) 1. C) 0. D) 3. Show Answer Correct Answer: D) 3. 21. Which type of energy generates the most energy with the least recorces? A) Petroleum. B) Coal. C) Nuclear. D) Natural Gas. Show Answer Correct Answer: C) Nuclear. 22. What is a benefit of nuclear fission? A) The ability to release tremendous amounts of energy. B) The ability to produce more energy than nuclear fusion. C) There are no beneficial aspects of nuclear fission. D) The ability to absorb energy. Show Answer Correct Answer: A) The ability to release tremendous amounts of energy. 23. As a result of Operation Castle Bravo, the United States contributed large amounts of which of the following to the ocean? A) Debris. B) Radioactive material. C) Radioactive hydrogen. D) Pollution. Show Answer Correct Answer: C) Radioactive hydrogen. 24. One type of radioactive device that indicates the intensity of radiation with a clicking sound that increases in frequency as more radiation is present is a(n) ..... A) Geiger counter. B) Bubble chamber. C) Cloud chamber. D) Electroscope. Show Answer Correct Answer: A) Geiger counter. 25. You have 100 grams of radioactive C-14. The half life of C-14 is 5730 years. How many grams are left after 1 half life? A) 2 grams. B) 50 grams. C) 25 grams. D) 100 grams. Show Answer Correct Answer: B) 50 grams. 26. Which of the following statements describes a gamma ray? A) A gamma ray can be stopped by a sheet of paper. B) A gamma ray has a positive charge. C) A gamma ray has no mass. D) A gamma ray can be converted into a beta particle. Show Answer Correct Answer: C) A gamma ray has no mass. 27. Where is the nuclear power plant Fukushima located? A) New york. B) China. C) Japan. D) California. E) Europe. Show Answer Correct Answer: C) Japan. 28. During which war did the U.S. create the atomic bomb? A) Korean War. B) Vietnam War. C) World War I. D) World War II. Show Answer Correct Answer: D) World War II. 29. The charge of electron is ..... A) -1. B) +1. C) +2. D) 0. Show Answer Correct Answer: A) -1. 30. Gamma rays have a ..... charge A) 0. B) +1. C) -1. D) +2. Show Answer Correct Answer: A) 0. ← PreviousNext →Related QuizzesPaper 1 QuizzesUgc Net QuizzesNuclear Energy Quiz 1Nuclear Energy Quiz 2Nuclear Energy Quiz 3Nuclear Energy Quiz 5Nuclear Energy Quiz 6Nuclear Energy Quiz 7Nuclear Energy Quiz 8Nuclear Energy Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books