A worked example applies the uncertainty principle to which pair of quantities?
AHeat and entropy
BPosition and momentum
CCharge and current
DMass and volume
Answer & Solution
Correct answer: B. Position and momentum
1. The principle is usually stated for one specific pair.
2. Heisenberg's uncertainty principle sets probabilistic limits on measurement.
3. One worked example measures an electron's position to a stated accuracy.
4. It then asks for the electron's uncertainty in velocity.
5. That example concerns position and momentum.
_Source: OpenStax College Physics for AP Courses 2e (CC BY 4.0), Ch 29 'Quantum Physics', sections 29.1-29.8_
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