An Electron Microscope Operates with Electrons of Kinetic Energy 58

question 29

Multiple Choice

An electron microscope operates with electrons of kinetic energy 58 keV.What is the wavelength of these electrons? Assume this speed is not relativistic.(h = 6.63 × 10−³⁴ J⋅s,c = 3.00 × 10⁸ m/s,1 eV = 1.60 × 10−¹⁹ J,and m_e = 9.11 × 10−³¹ kg)

• A)3.57E-20 m
• B)7.69E-13 m
• C)5.10E-12 m
• D)2.28E-10 m
• E)​1.03E-11 m

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Territorialization

The process by which a geographic area comes to be identified and influenced by a specific group, culture, or political entity.

Geographical Regions

Large areas of land distinguished by geographical features, political boundaries, or cultural characteristics.

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A concept in psychology referring to different areas or aspects of the mind and its functions.

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Geographically distinct areas characterized by a unique set of cultural practices, beliefs, languages, and social norms.