Use the Formula Relating Angular Size, Physical Size and Distance

question 10

Multiple Choice

Use the formula relating angular size, physical size and distance.
-What is the angular size of a quarter viewed from a distance of 20 yards?

• A)2.86°
• B)4.2°
• C)0.17°
• D)0.08°

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Definitions:

Top-down Processing

A cognitive process that starts with thoughts or expectations to make sense of information, rather than beginning with the sensory input.

Peripheral Vision

The part of vision that occurs outside the very center of gaze, allowing humans to perceive stimuli not in direct line of sight.

Prosopagnosia

A brain disorder marked by an inability to identify facial features.

Priming

A technique in psychology used to train people's memory both in positive and negative ways by presenting information that influences the response to subsequent stimuli without awareness of the connection.