Physics · Radioactivity
What is meant by the 'Half-Life Period' of a radioactive element?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1The time required for the mass of the element to increase by half
- 2The time it takes for radiation to double in intensity
- 3The time required for half of the atoms in a radioactive sample to decay✓
- 4The time it takes for the element to completely decay
Correct answer
The time required for half of the atoms in a radioactive sample to decay
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!
Online Test Series
Start Free Mock Test →Preparing for Physics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Radioactivity MCQs →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