The Beam-Restriction Device That Results in Images with the Most

question 61

Multiple Choice

The beam-restriction device that results in images with the most unsharpness around the edge of the image is the

• A)aperture diaphragm
• B)collimator
• C)cone or cylinder
• D)none of the above

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Definitions:

Leucippus

An ancient Greek philosopher, considered one of the earliest proponents of atomism, the theory that the universe is composed of indivisible components.

Vacuum

A space entirely devoid of matter, or having a pressure much lower than atmospheric pressure.

Law of Conservation

A principle stating that in a closed system, mass (in classical physics) or mass and energy (in quantum physics), cannot be created or destroyed, but only transformed or transferred.

Mass

Mass is a property of physical objects that quantifies the amount of matter within them, offering resistance to acceleration when a force is applied.