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 radioactive sample at any instant has its disintegration rate 5000 disintegrations per minute. After $5 \mathrm{~min}-$ utes, the rate is 1250 disintegrations per minute. Then, the decay constant (per minute) is
PhysicsNuclear PhysicsJEE MainJEE Main 2003
Options:
  • A
    $0.4 \ln 2$
  • B
    $0.2 \ln 2$
  • C
    $0.1 \ln 2$
  • D
    None of these
Solution:
1492 Upvotes Verified Answer
The correct answer is:
None of these
No Solution Available

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.