MCQ
According to the uncertainty principle for an electron, time measurement will become uncertain if which of the following is measured with high certainty?
- AEnergy
- BMomentum
- CLocation
- DVelocity
✓
Answer
- Energy
Explanation:
According to the uncertainty principle,
$\triangle\text{E}.\triangle\text{t}>=\frac{\text{h}}{2\pi}.$
Thus the time measured will become uncertain if $\triangle\text{E}$ is measured with high certainty.
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