Physics · Atomic Structure
Which of the following statements correctly expresses an implication of Heisenberg's uncertainty principle?
- 1When the uncertainty in position increases, the uncertainty in velocity must decrease.
- 2When the uncertainty in position decreases, the uncertainty in measuring velocity increases.✓
- 3The position and momentum of a microscopic particle can be measured simultaneously with absolute accuracy.
- 4The principle is highly significant for large, macroscopic moving objects like standard motor vehicles.
Correct answer
When the uncertainty in position decreases, the uncertainty in measuring velocity increases.
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