This quiz works best with JavaScript enabled. Home > Science > Physics > Nuclear Science – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nuclear Science Quiz 9 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which Uranium isotope is used in nuclear power plants to produce electricity? A) U-233. B) U-234. C) U-238. D) U-239. Show Answer Correct Answer: C) U-238. 2. Which is an advantage of installing solar panels? A) Reduced amount of air polllution. B) High cost to install. C) Number of cloudy days. D) Use of nonrenewable resources. Show Answer Correct Answer: A) Reduced amount of air polllution. 3. The half life period of a radioactive element is 100 days. After 400 days, one gm of the element will be reduced to ..... gm. A) 1/2. B) 1/4. C) 1/8. D) 1/16. Show Answer Correct Answer: D) 1/16. 4. If nucleus is formed from separate nucleons, then energy is A) Gained. B) Released. C) Absorbed. D) Converted. Show Answer Correct Answer: B) Released. 5. What happens to the isotope astatine-210 when it interacts with a beta particle (you have 3 minutes use periodic table) A) 85$\rightarrow$At209. B) 85$\rightarrow$At211. C) 86$\rightarrow$Rn210. D) 85$\rightarrow$At210. Show Answer Correct Answer: B) 85$\rightarrow$At211. 6. The function of heavy water in a nuclear reactor is to A) Cool down the reactor. B) Stop the nuclear reaction. C) Increase the speed of neutrons. D) Slow down the speed of neutrons. Show Answer Correct Answer: D) Slow down the speed of neutrons. 7. In a nuclear reactor, which part converts nuclear energy to heat energy? A) Pump. B) Reactor. C) Steam turbine. D) Dynamo. Show Answer Correct Answer: B) Reactor. 8. What does it mean when an element is radioactive? A) The atom emits radiation. B) The nucleus is unstable due to an off balance ratio of protons to neutrons. C) The nucleus changes to become stable. D) All of the above. Show Answer Correct Answer: D) All of the above. 9. A radioactive isotope undergoes decay with respect to time following ..... law. A) Linear. B) Logarithmic. C) Exponential. D) Inverse square. Show Answer Correct Answer: C) Exponential. 10. Energy given to nucleus to dismantle it increases the A) Kinetic energy of individual nucleons. B) Potential energy of individual nucleons. C) Chemical energy of individual nucleons. D) Mechanical energy of individual nucleons. Show Answer Correct Answer: B) Potential energy of individual nucleons. 11. In nuclear fusion, smaller atoms are forced together to create larger atoms. Does this process release, absorb or maintain energy? A) Absorb energy. B) Maintain energy. C) Release energy. D) None of above. Show Answer Correct Answer: C) Release energy. 12. Wich material is suitable to be made into containers for radioactive substances? A) Paper. B) Copper. C) Aluminium. D) Lead. Show Answer Correct Answer: D) Lead. 13. Nuclear fusion reaction occurs in the A) Sun. B) Stars. C) Hydrogen bomb. D) All of these. Show Answer Correct Answer: D) All of these. 14. Which process is used by nuclear power plants to produce low cost, long lasting energy? A) Nuclear fission. B) Neutron combination. C) Nuclear fusion. D) Nuclear detonation. Show Answer Correct Answer: A) Nuclear fission. 15. A fertile material is the one, which can be A) Fissioned by fast neutrons. B) Fissioned by slow (thermal) neutrons. C) Fissioned by either slow or fast neutrons. D) Converted into fissile material on absorption of neutron. Show Answer Correct Answer: D) Converted into fissile material on absorption of neutron. 16. Where, in 1986, did a fission nuclear power plant have an explosion that lead to over 1600 contracting cancer from the resulting radiation? A) Chernobyl, Ukraine. B) 3 Mile Island. C) Anchorage, Alaska. D) Deep Water Horizon. Show Answer Correct Answer: A) Chernobyl, Ukraine. 17. The Chernobyl nuclear disaster occurred in a power plant at Ukraine was in A) April 1970. B) April 1979. C) April 1983. D) April 1986. Show Answer Correct Answer: D) April 1986. 18. Thermal shield is used in high powered nuclear reactors to A) Absorb the fast neutrons. B) Slow down the secondary neutrons. C) Protect the walls of the reactor from radiation damage. D) Protect the fuel element from coming in contact with the coolant. Show Answer Correct Answer: C) Protect the walls of the reactor from radiation damage. 19. The radioactivity ideas given by A) Newton. B) Henry. C) Rutherford. D) Becquerel. Show Answer Correct Answer: D) Becquerel. 20. Carbon isotopes has a half life of ..... Years A) 5731. B) 5732. C) 5730. D) 5733. Show Answer Correct Answer: C) 5730. ← 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 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books