An Alternate Statement of the Uncertainty Principle Involves Relationship Between $\Delta$

question 50

Multiple Choice

An alternate statement of the uncertainty principle involves relationship between position $\Delta$ x) and momentum $\Delta$ p) uncertainties in the form . A proton rest energy = 938 MeV) is confined in a space of length 3.0 *10^-15 m, about the size of a lightweight nucleus. The minimum uncertainty in its momentum is approximately

• A) 2.2 * 10^-17 kg • m/s.
• B) 5.5 * 10^-18 kg • m/s.
• C) 3.6 * 10^-18 kg • m/s.
• D) 1.8 * 10^-20 kg • m/s.
• E) 8.8 * 10^-19 kg • m/s.

---

Definitions:

Subducting Plate

The tectonic plate that is being pushed downward into the mantle beneath another plate at a convergent boundary.

Igneous Rocks

Rocks formed by the cooling and solidification of magma or lava.

Columnar Joints

Distinctive fracture-bounded columns of rock formed when hot but solid igneous rock contracts as it cools.

Pluton

A body of intrusive igneous rock that crystallized from magma slowly cooling below the surface of the Earth.