Which of the following statements is true regarding the uncertainty principle? (

Practice Questions

Q1
Which of the following statements is true regarding the uncertainty principle? (2023)
  1. It applies only to macroscopic objects
  2. It states that position and momentum cannot be known simultaneously
  3. It is only applicable in classical mechanics
  4. It has no practical implications

Questions & Step-by-Step Solutions

Which of the following statements is true regarding the uncertainty principle? (2023)
  • Step 1: Understand what the uncertainty principle is. It is a concept in quantum mechanics.
  • Step 2: Know that the principle states there is a limit to how accurately we can know certain pairs of properties of a particle.
  • Step 3: Focus on the two properties mentioned: position (where the particle is) and momentum (how fast and in what direction the particle is moving).
  • Step 4: Realize that if we try to measure the position of a particle very accurately, we will have less accuracy in measuring its momentum, and vice versa.
  • Step 5: Conclude that the uncertainty principle means we cannot know both position and momentum of a particle at the same time with perfect accuracy.
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