Matter Waves: How Fast Must a Nonrelativistic Electron Move So

question 87

Multiple Choice

Matter waves: How fast must a nonrelativistic electron move so its de Broglie wavelength is the same as the wavelength of a 3.4-eV photon? (m_el = 9.11 × 10^-31 kg, c = 3.00 × 10⁸ m/s, 1 eV = 1.60 × 10^-19 J)

• A) 2000 m/s
• B) 1900 m/s
• C) 1700 m/s
• D) 1600 m/s
• E) 1400 m/s

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Definitions:

Physical Restraints

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Safety Strategy

An approach or plan designed to prevent accidents and injuries in various settings, such as workplaces or public areas.

Intraagency/Interagency

Pertains to cooperation and interaction within a single agency or between multiple agencies, respectively.

Mass Casualty Incident

An event that overwhelms the local healthcare system with the number and severity of live patients in need of care, often due to disasters or accidents.