This quiz works best with JavaScript enabled. Home > Ugc Net > Paper 1 > Environment > Nuclear Energy – Quiz 15 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nuclear Energy Quiz 15 (9 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which opinion do the authors share? A) The uranium used for fuel can easily be processed for nuclear bombs. B) The use of nuclear power effectively reduces air pollution. C) Nuclear energy is a source of serious problems. D) Global warming is a threat to the environment. Show Answer Correct Answer: D) Global warming is a threat to the environment. 2. Nuclear power plants use ..... to produce ..... A) Fusion, uranium. B) Fission, uranium. C) Fusion, heat. D) Fission, heat. Show Answer Correct Answer: D) Fission, heat. 3. Fission produces ..... nuclei. A) Same-sized. B) Smaller. C) Larger. D) All of the above. Show Answer Correct Answer: B) Smaller. 4. Gold-198 has a half-life of approximately 3 days. If a 100 g sample of gold-198 decays for 6 days, approximately how much gold-198 remains in the sample? A) 50 g. B) 13 g. C) 25 g. D) 33 g. Show Answer Correct Answer: C) 25 g. 5. Fusion changes hydrogen into what? A) Uranium. B) U-238. C) U-235. D) Helium. Show Answer Correct Answer: D) Helium. 6. Whe did Nuclear energy get discovered A) 1930. B) 1941. C) 1942. D) 1933. Show Answer Correct Answer: A) 1930. 7. The radioactive isotope Cesium-137 has a half life of 30 years. At year 0, there are 400 radioactive atoms. It undergoes 3 half-lives. How long has the parent material been decaying to reach that point? Sketch out a table if you need to. A) 0. B) 90. C) 30. D) 120. Show Answer Correct Answer: B) 90. 8. Which device can slow or stop nuclear reaction? A) Control rods. B) Spent rods. C) Fuel rods. D) None of above. Show Answer Correct Answer: A) Control rods. 9. Which of the following controls the fission reaction by absorbing neutrons. A) Shielding. B) Control rods. C) Coolant. D) Moderator. Show Answer Correct Answer: B) Control rods. ← PreviousRelated 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