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
C14 has half-life 5700 year. At the end of 11400 years, the actual amount left is
PhysicsNuclear PhysicsJEE Main
Options:
  • A 0.5 times of original amount
  • B 0.25 times of original amount
  • C 0.125 times of original amount
  • D 0.0625 times of original amount
Solution:
1429 Upvotes Verified Answer
The correct answer is: 0.25 times of original amount
N = N 0 × 1 2 1 1 4 0 0 / 5 7 0 0

 = N0122=0.25 N0

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.