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

Formulate effective PICO questions to guide clinical inquiry and improve patient care.

Identify the highest level of evidence in research studies to support nursing practice.

Understand how to quickly determine the relevance of research studies through specific sections of the articles.

Differentiate between hypotheses and research questions in the context of nursing research.

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