Physics · Radioactivity
Two different radioactive elements with half-lives T1 and T2 have undecayed atoms N1 and N2 respectively present at a given instant. The ratio of their activities at that instant is:
- 1N1N2T1T2
- 2N1T2N2T1✓
- 3N2T2N1T1
- 4N1T1N2T2
Correct answer
N1T2N2T1
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Preparing for Physics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Want more practice questions on Radioactivity?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Physics · Radioactivity