Get Started
843

Q:

A radio-active substance has a half life of six months. Three-fourth of the substance will decay in____.

  • 1
    Six months
  • 2
    Ten months
  • 3
    Twelve months
  • 4
    Twenty four months
  • Show Answer
  • Workspace

Answer : 3. "Twelve months"

The Most Comprehensive Exam Preparation Platform

Get the Examsbook Prep App Today