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Question

For a quantum particle like the electron - both its velocity and position could be measured simultaneously and with very good precision.


A

True

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B

False

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Solution

The correct option is B

False


We cannot locate the electron and find out the speed of an electron simultaneously. Why??

Heisenberg uncertainty Principle states that it is impossible to determine simultaneously, the exact position and exact momentum (or velocity) of an electron.

Δp × Δx h4π

or Δv × Δx h4πm

If the position of the electron is known with high degree of accuracy (x is small), then the velocity of electron will be uncertain [(vx) is large] and vice versa.


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