In a Gas Chromatograph the Time from Injection to the Time

question 30

Multiple Choice

In a gas chromatograph the time from injection to the time at which a compound is detected is what?

• A)The retention time
• B)The lag time
• C)The capillary column time
• D)The injector time

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Definitions:

Movement Parallax

Movement parallax is a depth cue that arises because objects at different distances move across the visual field at different rates relative to the observer’s motion.

Good Continuation

A principle in Gestalt psychology suggesting that elements aligned in a particular direction are perceived as a more unified whole.

Gestalt Law

Principles of perception that suggest humans naturally perceive objects as organized patterns and wholes rather than as separate components.

Figure-ground

A visual perception principle that describes how people differentiate an object (figure) from its surrounding area (ground).