Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
In nuclear reactors, what are the controlling rods made of?
PhysicsNuclear PhysicsJEE Main
Options:
  • A Cadmium
  • B Graphite
  • C Stainless steel
  • D Plutonium
Solution:
2940 Upvotes Verified Answer
The correct answer is: Cadmium
In nuclear reactors, cadmium rods are used as control rods. They are used to absorb the extra nucleons and to absorb neutrons, making them unavailable to cause fission. The other options are not valid.

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.