A Proton Has a Speed of 7

question 61

Multiple Choice

A proton has a speed of 7.2 × 10⁴ m/s.The energy of a photon that has the same de Broglie wavelength as the proton is closest to:

• A)230 keV
• B)150 keV
• C)300 keV
• D)370 keV
• E)440 keV

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Definitions:

Humanistic

Humanistic refers to a psychological perspective that emphasizes the study of the whole person, looking at human behavior not only through the eyes of the observer but also through the eyes of the individual experiencing it.

Behavioral

Related to or based on observable actions or responses in organisms, often studied in psychology and sociology.

Gestalt Psychology

A theory of mind and brain positing that the operational principle of the brain is holistic, parallel, and analog, with self-organizing tendencies; or, the idea that the whole is greater than the sum of its parts.

Cognitive

Relating to mental actions or processes involved in gaining knowledge and comprehension, including aspects such as awareness, perception, reasoning, and judgment.