## Conceptual Physics (12th Edition)

Published by Addison-Wesley

# Chapter 31 - Reading Check Questions (Comprehension): 17

#### Answer

The product $\Delta p \Delta x$ is equal to or greater than $\hbar$.

#### Work Step by Step

The uncertainty principle relates the uncertainty in the measurement of momentum, $\Delta p$, the uncertainty in the measurement of position, $\Delta x$, and Planck's constant divided by $2 \pi$. This is discussed on page 593.

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