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
A nuclear fission is said to be critical when multiplication factor or $k$
PhysicsNuclear PhysicsCOMEDKCOMEDK 2015
Options:
  • A $k=1$
  • B $k>1$
  • C $k < 1$
  • D $k=0$
Solution:
1620 Upvotes Verified Answer
The correct answer is: $k=1$
A nuclear fission is said to be critical when multiplication factor $k$ will be equal to unity.
i.e.,
$$
k=1
$$

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.