As the Energy of Incoming X-Rays Increases, the Probability of the Photoelectric

question 12

Essay

As the energy of incoming X-rays increases, the probability of the photoelectric effect and Compton scattering decreases. However, at energies above 1.02 MeV another effect, pair production, takes place. Why does pair production NOT play any role in X-ray diagnostics, but only in radiotherapy?

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Definitions:

Limited Effects

A theory suggesting that media has a minimal or limited influence on individuals, as their real-world social interactions and personal factors play a more significant role in shaping attitudes and behaviors.

Social and Psychological Factors

Elements that influence the behavior, attitudes, and emotions of individuals, stemming from their society and psychological makeup.

Public Mind

The collective beliefs, opinions, and perceptions held by the general population at a given time.

Charles Horton Cooley

An American sociologist known for his theory of the "Looking-Glass Self," which suggests that a person's self grows out of society's interpersonal interactions and the perceptions of others.