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Heisenberg Uncertainty Principle

Easychemistry

According to Heisenberg's uncertainty principle, which of the following statements is correct?

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About This Question

Subject
chemistry
Chapter
atomic structure
Topic
heisenberg uncertainty principle
Difficulty
Easy
Year
2025
Tags
Heisenberg PrincipleUncertaintyQuantum Mechanics

Solution

Correct Answer:

It is impossible to determine both position and momentum of an electron precisely

Heisenberg's Uncertainty Principle states that it is impossible to determine simultaneously the exact position and exact momentum (or velocity) of a subatomic particle like an electron. Mathematically:

  • This is not due to instrumental limitations but is a fundamental property of matter waves.
  • If uncertainty in position () is zero, then uncertainty in momentum () must be infinite, and vice versa.

This easy difficulty chemistry question is from the chapter atomic structure, covering the topic of heisenberg uncertainty principle. It appeared in the 2025 exam.

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