Solved UPSC CDS/OTA Question
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Q · Modern PhysicsMedium · 45s
Nuclear reactors use control rods made of: Option: 25
TopicModern Physics
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Cadmium absorbs neutrons, helping control fission reactions.
25
Final Answer: Option C — Cadmium
25