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Atomic and Nuclear Physics — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsAtomic and Nuclear Physics1 Mark
MCQ
Consider an electron $\left(\mathrm{m}=9.1 \times 10^{-31} \mathrm{~kg}\right)$ confined by electrical forces to move between two rigid walls separated by $1.0 \times 10^{-9}$ metre, which is about five atomic diameters. The quantised energy value for the lowest stationary state is
  • A
    $12 \times 10^{-20}$ Joule
  • ✓
    $6.0 \times 10^{-20}$ Joule
  • C
    $6.0 \times 10^{-18}$ Joule
  • D
    6 Joule
✓

Answer

Correct option: B.
$6.0 \times 10^{-20}$ Joule
(b) $6.0 \times 10^{-20}$ Joule

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