The fission chain reaction in a nuclear reactor can be controlled by:
Correct answer: C. Cadmium rods
- A. Iron rods
- B. Graphite rods
- C. Cadmium rods
- D. Platinum rods
Explanation
Cadmium rods are often used as control rods in nuclear reactors. By adjusting the position of these rods, it is possible to control the rate of the fission chain reaction by absorbing excess neutrons.
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