Physics · Nuclei

The rate of radioactive disintegration at a certain instant for a radioactive sample of half-life 2.2 × 109 s is 1010 s-1. The number of radioactive atoms in that sample at that instant is:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

Correct answer

3.17 × 1019

Save this question and verified answer as a clean study sheet with live clickable link.

👥

Challenge your peer aspirants on WhatsApp or Telegram to solve this question!

Online Test Series

Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.

Chapter Practice

Want more practice questions on Nuclei?

Solve complete topic-wise tests with detailed solutions on GkGet.

Recommended practice questions in Physics · Nuclei

Which of the following territories was annexed by Lord Dalhousie under the pretext of misgovernance, and not directly through the Doctrine of Lapse?

What was the primary stated reason for the Partition of Bengal in 1905 by Lord Curzon?

Which of the following events is considered the immediate trigger for the launch of the Non-Cooperation Movement by Mahatma Gandhi?

Related Practice Questions