CBSE · Class 12 · Physics · NucleiIn nuclear reactors, heavy water ($D2O$) is used as a:
Step-by-Step Solution
Heavy water is used as a moderator to slow down fast neutrons to thermal energies, making them effective for sustaining the fission chain reaction.
Detailed Options Breakdown
Option : Moderator (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 1: Control rod
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Nuclei.
Option 2: Fuel
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Nuclei.
Option 3: Coolant only
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Nuclei.
💡 Study Guide: This question tests core syllabus concepts from Nuclei. For formulas, key summaries, and mock exam reference guides, read the full Nuclei Revision Notes.