The material used to slow down the neutrons in a nuclear reactor is by Sunday | Mar 23 | Physics WAEC | 0 comments A. boron B. copper C. graphite D. uranium Correct Answer: Option C – graphite Users Also Read These:In a nuclear reactor, electricity can be generated…The speed of fast-moving neutrons in a nuclear…The presence of nitrogen in air is to slow down?Neutrons are used to induce artificial radioactivity…Which of the following is used in a nuclear reactor…