G

Gourav • 0.95K Points
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Q. The half-life of a radioactive substance is 10 days. After 30 days, the remaining fraction is:

  • (A) 1/2
  • (B) 1/4
  • (C) 1/8
  • (D) 1/16
  • Correct Answer - Option(C)
  • Views: 1
  • Filed under category Physics
  • Hashtags: NEET
Explanation by: Gourav
30 days correspond to 3 half-lives. Remaining fraction = (1/2)^3 = 1/8.

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