If You Stare at a Single Unmoving Light in a Dark

question 241

Multiple Choice

If you stare at a single unmoving light in a dark room for a few seconds, the light will appear to begin moving, a phenomenon called ________ .

• A) psi phenomenon.
• B) The Müller-Lyer illusion.
• C) the autokinetic illusion.
• D) the saccade illusion.

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Definitions:

Nucleophilicity

A measure of the ability of a chemical species to donate an electron pair to an electrophile, thus forming a chemical bond.

Hydroxylic Solvents

Solvents that contain -OH groups and can participate in hydrogen bonding, affecting solubility and reaction outcomes.

Nucleophilicity

A measure of the ability of a chemical species to donate an electron pair and form a covalent bond.

Polar and Protic

Describes a type of solvent that has a polar bond and is capable of donating hydrogen ions (protons).