Electrons Emerge from an Electron Gun with a Speed of 2.0

question 28

Multiple Choice

Electrons emerge from an electron gun with a speed of 2.0 × 10⁶ m/s and then pass through a pair of thin parallel slits.Interference fringes with a spacing of 2.7 mm are detected on a screen far from the double slit and fairly close to the center of the pattern.What would the fringe spacing be if the electrons were replaced by neutrons with the same speed? ,m_neutron = 1.67 × 10^-27 kg)

• A) 1.5 µm
• B) 4.9 µm
• C) 0.93 nm
• D) 1.1 µm
• E) 1.5 nm

---

Definitions:

Emotional Intelligence

The ability to understand, use, and manage one's own emotions in positive ways to relieve stress, communicate effectively, emphathize with others, overcome challenges, and defuse conflict.

Goal Congruence

The alignment of objectives between individuals, teams, or departments, and the overall goals of an organization.

Special Endorsement

A form of endorsement on a negotiable instrument, such as a check, whereby the endorser specifies the party to whom the instrument is to be payable.

Named Endorsee

An individual or entity specifically named in a negotiable instrument, such as a check, as the party to whom the instrument is endorsed or assigned.