In a Double Slit Experiment,a Beam of Electrons Strikes a Pair

question 27

Multiple Choice

In a double slit experiment,a beam of electrons strikes a pair of slits.The slits are 15 μm apart,and the first interference maximum lies at an angle of 0.50 µrad from the center of the interference pattern.What is the momentum of the incoming electrons? (h = 6.626 × 10^-34 J ∙ s,m_el = 9.11 × 10^-31 kg)

• A)4.4 × 10^-23 kg ∙ m/s
• B)2.2 × 10^-23 kg ∙ m/s
• C)1.1 × 10^-23 kg ∙ m/s
• D)6.6 × 10^-23 kg ∙ m/s
• E)8.8 × 10^-23 kg ∙ m/s

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Definitions:

Self-Regulation

The ability to control one's behavior, emotions, and thoughts, aiming towards long-term goals.

Monitor Oneself

The practice of observing and regulating one's own behavior, emotions, or thoughts.

Awareness Of Standards

The recognition and understanding of the benchmarks or criteria set within a specific domain, guiding behavior and performance evaluation.

Automatic System

A cognitive system that operates in an effortless, fast, and automatic manner, without the need for conscious control.