What Type of Radiation Is Composed of Photons Not Produced

question 12

Multiple Choice

What type of radiation is composed of photons not produced at the actual focal spot?

• A)off-focus
• B)extrafocal
• C)both a and b
• D)primary

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Definitions:

R-selected

A trait in certain species characterized by high reproduction rates, many offspring, and minimal parental care.

Eggs

Reproductive cells produced by female organisms in many species, including birds, reptiles, amphibians, most fish, and certain mammals; also, a common food source.

Prereproductive Individuals

Members of a population who are at a life stage before they have reached sexual maturity and are capable of reproduction.

Fertility Rate

The average number of children born to a woman over her lifetime within a population.