What Is the Minimum X-Ray Wavelength Produced When Electrons Are

question 9

Multiple Choice

What is the minimum x-ray wavelength produced when electrons are accelerated through a potential of 46,800 V? (h = 6.63 × 10−³⁴ J⋅s,c = 3.00 × 10⁸ m/s,and 1 eV = 1.60 × 10−¹⁹ J)

• A)4.25E-11 m
• B)8.85E-12 m
• C)4.01E-12 m
• D)2.66E-11 m
• E)​6.80E-11 m

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Definitions:

Community Psychology

A branch of psychology that studies how people interact with their social environments and how social institutions affect individuals and groups.

Psychological Health

A state of well-being in which an individual realizes their abilities, can cope with normal stresses of life, work productively, and contribute to their community.

Competence

The ability or skill to effectively perform or complete a task to a specified standard.

Community Psychology

A branch of psychology that studies the relationships of individuals within their community and the wider society to improve welfare.