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Atomic and Nuclear Physics — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsAtomic and Nuclear Physics1 Mark
MCQ
After five half lives what will be the fraction of initial substance
  • A
    $\left(\frac{1}{2}\right)^{10}$
  • ✓
    $\left(\frac{1}{2}\right)^5$
  • C
    $\left(\frac{1}{2}\right)^4$
  • D
    $\left(\frac{1}{2}\right)^3$
✓

Answer

Correct option: B.
$\left(\frac{1}{2}\right)^5$
$\left(\frac{1}{2}\right)^5$

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