Three students talking about the Heisenberg Uncertainty Principle make the follo

Question

Three students talking about the Heisenberg Uncertainty Principle make the following contentions:

Arno: "The Heisenberg Uncertainty Principle says that you can't measure both the position and speed of an electron at the same time"

Bobbie: "I don't think it means you can't measure them at the same time. It just means that if you gain precision in measuring one quantity, you lose precision in measuring the other quantity for the same point in time."

Carissa: "I think it is possible to become more precise in measuring both quantities, but only up to a point. Oncce the product of position and momentum are equal to h over four pi, one quantity has to go up when the other goes down. "

We guessed Bobbie, which was not correct. Thanks!

Explanation / Answer

Bobbie: I don't think it means you can't measure them at the same time. It just means that if you gain precision in measuring one quantity, you lose precision in measuring the other quantity for the same point in time.

Bobbie was not correct because the statement contradicting the principle.

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