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What is the uncertainty principle formulated by Heisenberg?

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Question: What is the uncertainty principle formulated by Heisenberg?

Options:

  1. ΔxΔp ≥ ħ/2
  2. ΔEΔt ≥ ħ
  3. ΔxΔE ≥ ħ
  4. ΔpΔt ≥ ħ

Correct Answer: ΔxΔp ≥ ħ/2

Solution: 

The uncertainty principle states that the product of the uncertainties in position (Δx) and momentum (Δp) is greater than or equal to ħ/2.

What is the uncertainty principle formulated by Heisenberg?

Practice Questions

Q1
What is the uncertainty principle formulated by Heisenberg?
  1. ΔxΔp ≥ ħ/2
  2. ΔEΔt ≥ ħ
  3. ΔxΔE ≥ ħ
  4. ΔpΔt ≥ ħ

Questions & Step-by-Step Solutions

What is the uncertainty principle formulated by Heisenberg?
Correct Answer: Heisenberg ka uncertainty principle kehta hai ki position (Δx) aur momentum (Δp) ki uncertainties ka product hamesha ħ/2 se zyada ya barabar hota hai.
  • Step 1: Understand that the uncertainty principle is a concept in quantum mechanics.
  • Step 2: Know that it was formulated by a scientist named Werner Heisenberg.
  • Step 3: Recognize that the principle deals with two important properties of particles: position and momentum.
  • Step 4: Position refers to where a particle is located, and momentum refers to how fast it is moving and in what direction.
  • Step 5: The principle states that you cannot know both the exact position and the exact momentum of a particle at the same time.
  • Step 6: The more accurately you know the position (Δx), the less accurately you can know the momentum (Δp), and vice versa.
  • Step 7: The relationship between these uncertainties is expressed mathematically: Δx * Δp ≥ ħ/2, where ħ (h-bar) is a constant.
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