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AP EAMCET2020PhysicsNuclear Physics

The half-life of a radioactive sample is 20 days this means that

Options

  1. Athe substance completely disintegrates in 40 days
  2. Bthe substance completely disintegrates in 80 days
  3. C1 / 8 part of the substance disintegrates in 60 days
  4. D7 / 8 part of the substance disintegrates in 60 days

Correct answer

D. 7 / 8 part of the substance disintegrates in 60 days

Step-by-step solution

No solution. Refer to answer key.

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